问题:阴极振打传动装置和振打轴包括哪些?其作用是什么?...
Sunday, September 11, 2022
问题:高速混床输送树脂和阴阳再生罐为把树脂送干净都可在最后用空气输送。...
Tuesday, December 26, 2023
问题:新树脂在使用前最好进行预处理,树脂经预处理后,有三大好处:()、()和()...
Sunday, January 5, 2025
问题:配水井水溢流至()A、泥水调节池B、浓缩池C、排泥井...
Thursday, July 10, 2025
问题:制氢站生产的氢气纯度不小于()%,发电机内氢气纯度不低于()%。...
Thursday, July 10, 2025
Monday, August 11, 2025
Saturday, September 28, 2024
问题:制氢室内和其它装有氢气的设备附近,均必须严禁(),严禁放置()物品,并应设有()和标志牌。...
Friday, January 12, 2024
问题:风机是将机械能转变为流体的()的动力设备。A、动能B、压能C、势能D、动能和势能...
Wednesday, August 13, 2025
问题:Z41H-25,DN300中的2.5是指(),300是指()。...
Sunday, January 5, 2025
问题:注入式离心泵启动前,不必将泵内和进口管内空气排尽。...
Sunday, August 27, 2023
Sunday, September 11, 2022
问题:锅炉补给水处理生水加热器额定出水流量是()m3/h,出水温度可控制在()℃左右。...
Saturday, September 28, 2024
问题:管道的弹簧支吊架起承重作用,同时还有()作用。A、减振B、限位...
Friday, January 5, 2024
问题:含有4-94%(体积比)的氢-氧混合气体称为()。...
Saturday, August 19, 2023
问题:灰斗中没有一定的储灰,灰斗出口处会出现(),引起电除尘器内部粉尘...
Sunday, September 11, 2022
问题:反渗透装置出水导电度增大不一定是生水含盐量增加。...
Tuesday, August 8, 2023
Tuesday, January 17, 2023
Monday, August 11, 2025
Tuesday, July 15, 2025