【单选题】
已知三点A(10、20、15)、B(10、0、30)、C(0、10、0),则在坐标面上的点为______。
①
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
A、B、C三点
②
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
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{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
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mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
B点
③
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
B、C两点
④
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
C点
【单选题】
这里是四组视图,哪种判断是正确的?<img src="https://upload.icve.com.cn:89/ssykt/y@3AAF5591DC68284E6E4A443F2B6E0DD2.png/download?time=636534329712073657&token=F8D52AE46C434D73AE926E8518F3F458&filename=%E8%87%AA%E5%8A%A8%E4%B8%8A%E4%BC%A0p5elah6ofilfkbdrcydsgg20180205130930.png"/>
【单选题】
补全视图中所缺的线条,正确的图形是<img src="https://file.icve.com.cn/ssykt/659/872/A4CDA1AD0FA95EDBC026EAB82C2687F1.png"/>
①
<img src="https://file.icve.com.cn/ssykt/378/415/5EB67F5206A6F4BEF868678A3759CA6B.png">
②
<img src="https://file.icve.com.cn/ssykt/664/42/A600A910B8A23910F6479B0D6C39C475.png">
③
<img src="https://file.icve.com.cn/ssykt/198/664/31BA62A0E8AE965E699824E77CF401CA.png">
④
<img src="https://file.icve.com.cn/ssykt/736/119/B811DE77A6844968830542E91AF0D858.png">
【单选题】
mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;
color:#333333;background:white;mso-ansi-language:EN-US;mso-fareast-language:
ZH-CN;mso-bidi-language:AR-SA">筒体由钢板卷焊时,其公称直径是指筒体的筒体所对应的封头公称直径等于封头的
【单选题】
mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;
color:#333333;background:white;mso-ansi-language:EN-US;mso-fareast-language:
ZH-CN;mso-bidi-language:AR-SA">人孔的最小直径是
【判断题】
mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;
mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">在任何情况下,牙顶用粗实线表示,牙底用细实线表示
【单选题】
mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Roman
mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:
ZH-CN;mso-bidi-language:AR-SA">下面几种叙述中,哪一种是正确的?
③
牙型、大径及螺距都符合标准,但极限偏差不符合标准的螺纹,除应注明代号外,还应注出极限尺寸
④
只要牙型、公称直径、螺距三者都一致,一对内外螺纹才能旋合
【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">
【判断题】
组合体两基本体表面平齐时,在视图上两基本体之间无分界线。
【单选题】
mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Roman
mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:
ZH-CN;mso-bidi-language:AR-SA">已知立体的主视图和俯视图,它的四个左视图画得正确的是<img src="https://upload.icve.com.cn:89/ssykt/y@2AFEB986352FB4A3C27DF9BFAD8896A1.png/download?time=636534346313392759&token=D5FD04BAED00FA11A8DE59EF46F4A753&filename=%E8%87%AA%E5%8A%A8%E4%B8%8A%E4%BC%A0p5elah6ofilfkbdrcydsgg20180205133710.png"/>