Thursday, September 22, 2022
Thursday, September 22, 2022
Tuesday, September 20, 2022
问题:根据《通信管道工程施工及验收规范》,长途通信管道人工铺设塑料管道施工时,为保证气流敷设光缆时设备与塑料管的连接,塑料管端...
Thursday, September 15, 2022
Thursday, September 22, 2022
Saturday, September 17, 2022
问题:常用的消防器材包括消防消水带和();消防斧、铁锹、钩以及各种灭火机()车等。...
Thursday, September 15, 2022
Thursday, September 22, 2022
问题:ZCA-3010-36型硅整流器采用单相桥式整流电路,由()个硅极管组成。...
Saturday, September 17, 2022
问题:在作业过程有不明用途的线条,一律按电力线处理,不准随意剪断。...
Friday, September 16, 2022
Saturday, September 17, 2022
Thursday, September 22, 2022
Tuesday, September 20, 2022
问题:单向116阀在强度试验中,压力应从()引入,在严密性试验时,压力应从()引入。...
Thursday, September 22, 2022
Sunday, September 18, 2022
问题:为了使工件获得较好的强度,塑性和韧性等方面的综合力学性能,要进行()热处理。...
Thursday, September 22, 2022
问题:卫生器具安装前,必须将卫生器具内的()清除干净。...
Thursday, September 22, 2022
问题:当液体运动时,各质点的迹线形状很复杂,互相交错,流体质点互相混杂的运动状态叫()。...
Thursday, September 22, 2022
问题:常用的钢卷尺规格有2m和5m两种,较长的有20m和()的钢卷尺,通常称为盘尺。...
Thursday, September 22, 2022
问题:根据《YD5121-2010通信线路工程验收规范》布放架空吊线时原则上在架设第一条吊线时吊线宜设在杆路的()侧。...
Monday, September 19, 2022