【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/560D69721E0FD0A1CC4D7765C7F91648.png title=12.png alt=12.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/E3CCA020DB8D4B1A0CA32BDD81BEA88A.png title=12-1.png alt=12-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/EECEF15ADB149C2F60CBB72185CD167A.png title=12-2.png alt=12-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/078AAD893F750BBC0FDCFAFFEBAC7422.png title=12-3.png alt=12-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/6BA293DD2182AEFBB860B12B03A7B1BF.png title=12-4.png alt=12-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/134128ACC57F2C03E0E82DA9644FE7CD.png title=12.png alt=12.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/6C71C2BF5E8373533DE9A379C40DE64C.png title=12-1.png alt=12-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/27714AF17D6BF7C7BFA9D78B557B64E0.png title=12-2.png alt=12-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/04DE511A1EA7A75D454627E8E11CDB98.png title=12-3.png alt=12-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/37F0D839456ECF29C9C6408CBD480955.png title=12-4.png alt=12-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/6C62C68662DEB74A4C831A23EDCE510A.png title=12.png alt=12.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/BD763DE1E3C0F9E53E0BC2D2C2C1B738.png title=12-1.png alt=12-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/7A6A72D9B5D8D483CFE49DB4120A2556.png title=12-2.png alt=12-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/8972F96F50E93E6CED96183ED5F337D5.png title=12-3.png alt=12-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/1A2ACE409ABE1D5A0F85F7201C1222AF.png title=12-4.png alt=12-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/A4EA3A33F2FA06C1E9A0CFD9705ED7E6.png title=12.png alt=12.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/4B0FAFCECF5F81FD99EB7D6F436AD5CD.png title=12-1.png alt=12-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/8D9762C97D3E0E8BECBBF9CA1F516E7F.png title=12-2.png alt=12-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/553795A293B51FCC35B3426934989597.png title=12-3.png alt=12-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/0ECB1BAF111878448DD1D68AA18D9358.png title=12-4.png alt=12-4.png/>
【单选题】
该零件中表面粗糙度要求最低为（ ）。<img src=https://huaweicloudobs.ahjxjy.cn/D213948ED3EEAD57C2EEEED994A465AD.png title=图片12.png alt=图片12.png style=width: 390px; height: 277px; width=390 height=277/>
①
12.5
②
6.3
③
3.2
④
1.6
【单选题】
该零件中表面粗糙度要求最高为（ ）。<img src=https://huaweicloudobs.ahjxjy.cn/D213948ED3EEAD57C2EEEED994A465AD.png title=图片12.png alt=图片12.png style=width: 390px; height: 277px; width=390 height=277/>
①
1.6
②
12.5
③
6.3
④
25
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/753C5A8308E510F563AB758E583096CA.png title=12.png alt=12.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/8D400A60F10014B0CFF8BA68B35BA0BE.png title=12-1.png alt=12-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/276A4084A008E581CB70458573539B7D.png title=12-2.png alt=12-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/961A83DEF42E3984F9FA5B5E042B34BD.png title=12-3.png alt=12-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/407F204938E2F89C00417538DEFFED6E.png title=12-4.png alt=12-4.png/>
【简答题】
<img src="https://huaweicloudobs.ahjxjy.cn/089B3016ED9C666E5D3E7E92B01EE54C.png" title="12.png" alt="12.png"/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/717575746AE6A02EE944B19789488877.png title=12.png alt=12.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/5FFBA01EACE8D91EBBDA3AC91546D35A.png title=12-1.png alt=12-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/41BC013D22B503777B5BC14B068AFE33.png title=12-2.png alt=12-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/04646B809C55F70CA9B6DAA3E27713E0.png title=12-3.png alt=12-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/175732821C975133EA1FC14566E3B604.png title=12-4.png alt=12-4.png/>
【单选题】
设平面<img src=https://huaweicloudobs.ahjxjy.cn/31A542F228A00D0E0C454891B06C0999.png title=图片10.png alt=图片10.png/>的方程分别为<img src=https://huaweicloudobs.ahjxjy.cn/15780060EFC09696E85F57C13C838872.png title=图片11.png alt=图片11.png/>，则（ ）
①
<img src=https://huaweicloudobs.ahjxjy.cn/6FD084A684B16B81128226DB7D320E19.png title=图片12.png alt=图片12.png/>与<img src=https://huaweicloudobs.ahjxjy.cn/A6AD1FC6BBAF3C1CE6C912612FEE0DF8.png title=图片13.png alt=图片13.png/>平行
②
<img src=https://huaweicloudobs.ahjxjy.cn/6FD084A684B16B81128226DB7D320E19.png title=图片12.png alt=图片12.png style=white-space: normal;/>与<img src=https://huaweicloudobs.ahjxjy.cn/A6AD1FC6BBAF3C1CE6C912612FEE0DF8.png title=图片13.png alt=图片13.png style=white-space: normal;/>垂直
③
<img src=https://huaweicloudobs.ahjxjy.cn/6FD084A684B16B81128226DB7D320E19.png title=图片12.png alt=图片12.png style=white-space: normal;/>与<img src=https://huaweicloudobs.ahjxjy.cn/6120621973DB1B0F605F96EED984CCD7.png title=图片14.png alt=图片14.png/>平行
④
<img src=https://huaweicloudobs.ahjxjy.cn/6FD084A684B16B81128226DB7D320E19.png title=图片12.png alt=图片12.png style=white-space: normal;/>与<img src=https://huaweicloudobs.ahjxjy.cn/6120621973DB1B0F605F96EED984CCD7.png title=图片14.png alt=图片14.png style=white-space: normal;/>垂直
%E3%80%82%3Cimg%20src%3Dhttps://huaweicloudobs.ahjxjy.cn/BE5DA479D375AD31C50ED756B3C0F02C.png%20title%3D%E5%9B%BE%E7%89%8712.png%20alt%3D%E5%9B%BE%E7%89%8712.png%20style%3Dwidth:%20385px&pn=1){kind=link}
%E3%80%82%3Cimg%20src%3Dhttps://huaweicloudobs.ahjxjy.cn/BE5DA479D375AD31C50ED756B3C0F02C.png%20title%3D%E5%9B%BE%E7%89%8712.png%20alt%3D%E5%9B%BE%E7%89%8712.png%20style%3Dwidth:%20385px&pn=3){kind=link}
%E3%80%82%3Cimg%20src%3Dhttps://huaweicloudobs.ahjxjy.cn/BE5DA479D375AD31C50ED756B3C0F02C.png%20title%3D%E5%9B%BE%E7%89%8712.png%20alt%3D%E5%9B%BE%E7%89%8712.png%20style%3Dwidth:%20385px&pn=4){kind=link}
%E3%80%82%3Cimg%20src%3Dhttps://huaweicloudobs.ahjxjy.cn/BE5DA479D375AD31C50ED756B3C0F02C.png%20title%3D%E5%9B%BE%E7%89%8712.png%20alt%3D%E5%9B%BE%E7%89%8712.png%20style%3Dwidth:%20385px&pn=5){kind=link}
%E3%80%82%3Cimg%20src%3Dhttps://huaweicloudobs.ahjxjy.cn/BE5DA479D375AD31C50ED756B3C0F02C.png%20title%3D%E5%9B%BE%E7%89%8712.png%20alt%3D%E5%9B%BE%E7%89%8712.png%20style%3Dwidth:%20385px&pn=10){kind=link}