【单选题】
下图是哪个设备的图例符号<img src="https://file.icve.com.cn/file_doc_public/63/114/0FE1CB4E7CC2417713C0CC2EEB8185D5.png" title="af14b1a18c34819760bf994e7b1b38b0.png" alt="af14b1a18c34819760bf994e7b1b38b0.png" width="126" height="111" style="width: 126px; height: 111px;"/>
①
闸板阀
②
止回阀
③
节流阀
④
安全阀
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/5BDD18251894FBA143E2D40961B2BE69.png title=1.png alt=1.png/>
①
正确
②
错误
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/2FA1045D2123351952CC0946F93733D0.png title=1.png alt=1.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/4862F20A4109B7A518A53B21F7820BAD.png title=a.png alt=a.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/336B63EFC2F3D1BBBC1B2E85C6063FA6.png title=b.png alt=b.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/4078C105A9E114B35668C39CFAEAF252.png title=c.png alt=c.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/4F2F959A7F0AEBB4DBEA437F4A64AEF2.png title=d.png alt=d.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/B02CD22D3347799C04123AFB12CAB4BB.png title=题干.png alt=题干.png width=718 height=64 style=width: 718px; height: 64px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/295E5C45CDB9BAA827198FAF8E044AD8.png style= title=2.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/F9CC7E6795E49482C881A3E135957501.png title=3.png style=white-space: normal;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/C9002CED13BF33495DC6181927AFF047.png title=1.png style=white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/5A3C180AB3D7B03217D519B4EB7D7F23.png title=4.png style=white-space: normal;/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/4A7E3D27E19232FFE0C526BFFFFA3FC9.png title=1.png alt=1.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/88920C102C6515BD4747F54276B2040E.png title=1-1.png alt=1-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/FAB431EB6987AC2D2EA7168389E0F281.png title=1-2.png alt=1-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/C60FBD484B5ACC7E8D0BCD4666CE0D45.png title=1-3.png alt=1-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/BB9D3B8BF1E049B5D8FB3A7251263B79.png title=1-4.png alt=1-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/C504F24E6C3AB59E4C1D0D59A1E05267.png title=1.png alt=1.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/45EF0AE5A2913D7714CB6A51EC4861A1.png title=a.png alt=a.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/599558F267AFD4485BD22281132CB7F4.png title=b.png alt=b.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/2D8640E97F92CC760C0C4BC33E94C06B.png title=c.png alt=c.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/0C4C63635BFCD03175ED7B94E805B72F.png title=d.png alt=d.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/74450240495411D56025D8D56C7C83B0.png title=题干.png alt=题干.png width=825 height=146 style=width: 825px; height: 146px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/16E48B874BBA6559EB8535EDCAB755E4.png style= title=1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/EA64ED1D599C490A708EE1B8E51CF8E5.png title=2.png style=white-space: normal;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/354C8D0445967D3415A9C77E97B38400.png title=3.png style=white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/84ADC141A9F319BDCFA1D09CAA3C69F9.png title=4.png style=white-space: normal;/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/A8E4C3D646506F07AC65CBDB7BE1F878.png title=题干.png alt=题干.png width=677 height=55 style=width: 677px; height: 55px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/22D9E2FBFBBE875D7C389BCBBB31ED46.png style=width: 117px; height: 39px; title=1.png width=117 height=39/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/BE6AEE28E63DC2EBAEE39D2E2A78B75D.png title=3.png style=white-space: normal; width: 105px; height: 41px; width=105 height=41/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/5A7BF729812A774A886A8A338C9599AA.png title=2.png style=white-space: normal; width: 171px; height: 77px; width=171 height=77/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/A8B1E44C860B7C7705275736D51C356C.png title=4.png style=white-space: normal; width: 195px; height: 73px; width=195 height=73/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/B44336CF7177A36C779FFEC8826C0BB8.png title=题干.png alt=题干.png width=836 height=55 style=width: 836px; height: 55px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/9AEB04A316A3B1E7BCDEC34957E7C3B8.png style= title=3.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/B339F9DC268320C55F4FCF5A5BBEBF1B.png title=1.png style=white-space: normal;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/82A1BB3858850308E6FABEBDE0337950.png title=2.png style=white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/162294D152FF7A4B03A26FE8AEB66CEE.png title=4.png style=font-size: 16px; white-space: normal;/>
