【单选题】
由立体的轴测图绘制三视图，正确的是<img src="https://file.icve.com.cn/ssykt/605/268/976432FD157F59DCC8D126CA59A88037.png"/>
①
<img src="https://file.icve.com.cn/ssykt/845/784/D34C432066525B2312CCAFED24F88BD4.png">
②
<img src="https://file.icve.com.cn/ssykt/546/879/88BDBF18A81C3CADD88D9416697CA424.png">
③
<img src="https://file.icve.com.cn/ssykt/470/614/75899B3AFE8772D531247D11717A1497.png">
④
<img src="https://file.icve.com.cn/ssykt/965/941/F14EB7B657DF805B8861B44F98C61319.png">
【多选题】
<img src=https://huaweicloudobs.ahjxjy.cn/DF8F69F655E78E4135AC3021CDC7271E.png title=1.png alt=1.png/><img src=https://huaweicloudobs.ahjxjy.cn/F7917C42483D4B4EB3AFA503705443DE.png title=7.png alt=7.png/><img src=https://huaweicloudobs.ahjxjy.cn/77F20DCCE4501B2AF8CE94213944843F.png title=9.png alt=9.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/031AF786D9AAFDC6194CB49BCD33E128.png title=3.png alt=3.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/FBC5ADDF51D26212F24F96E31FA8311B.png title=4.png alt=4.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/3483CF233B84B6DAFCB8829133112C52.png title=5.png alt=5.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/311A417933B9B3EBA7EC103876394643.png title=6.png alt=6.png/>
【简答题】
<img src="https://huaweicloudobs.ahjxjy.cn/DB4C3EF32EF6FAE91B8F6E57ED1FACE0.png" title="计算1.png" alt="计算1.png"/>
【单选题】
下图是什么类型的阀门？<img src="https://file.icve.com.cn/file_doc_public/971/994/F2DF8A126AE53B798124B6BB43A10A80.gif" title="3a82beb28cec977773825c0fac1b2546.gif" alt="3a82beb28cec977773825c0fac1b2546.gif"/>
①
闸板阀
②
止回阀
③
安全阀
④
球阀
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/5F2C743DC46CDCDA93B776A820CB8E3B.png title=3.png alt=3.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/51439F2090BF00DC24437CD20CFFA8CF.png title=3-1.png alt=3-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/E57CC6F1A654B883AA62485D5889EA0A.png title=3-2.png alt=3-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/9D33053A9B8D2DC52E2706604CF0A0BD.png title=3-3.png alt=3-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/6E1E4F17794B1B4963ADD75D143A044E.png title=3-4.png alt=3-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/154C4F09C5A3B06F9B66CA10664B9E94.png title=4.png alt=4.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/8EE19EDB3A5F6F5D3E9A636E7C802596.png title=4-1.png alt=4-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/9FCDFA547FAAE962AE075F2CD21FED28.png title=4-2.png alt=4-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/7473782C9D9197B4DCBA01997F125151.png title=4-3.png alt=4-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/CAA54583C9BBD2A49FE9C4661F2AEE36.png title=4-4.png alt=4-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/E0C05AB943D822219F3E4C77B57A5820.png title=5.png alt=5.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/B4639580B40BE9662B6475ED16BCBB4E.png title=5-1.png alt=5-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/5C008EA6788B63B8C4BCBF0B3304FCED.png title=5-2.png alt=5-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/0BEC00364A0DC3C083EECAA352F984C6.png title=5-3.png alt=5-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/1C170D373C4FB0B6560ABD74207D73FD.png title=5-4.png alt=5-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/2971277726E1AB4C1E94594D5B2FE1D0.png title=1.png alt=1.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/E4AFF8B95AFC07CFEC2088188963B66F.png title=1-1.png alt=1-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/14D6A6620C61E782D83BD285E941A010.png title=1-2.png alt=1-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/A23DE06F7045AA7BC582D44A2732334B.png title=1-3.png alt=1-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/D67541B9BE2CDB0204F01B82B28FBEE7.png title=1-4.png alt=1-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/A42A75EB8678763A4BF1D78824F5943D.png style= title=t.png/><img src=https://huaweicloudobs.ahjxjy.cn/F708C8902E2AA8A2198CE3D18225C8FF.png title=t2.png alt=t2.png/><img src=https://huaweicloudobs.ahjxjy.cn/7F4D8C8614E3AAE416D5B8836EB36C30.png title=t3.png alt=t3.png/>
①
充分条件
②
必要条件
③
充分必要条件
④
无关条件
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/00569A4E89D006C4F82EA56F3F8E81B6.png title=20-1.png alt=20-1.png/>
①
正确
②
错误
