问题:由于技措技改、基建投产带来的变化,各装置应对()类管道数量每年修...
Tuesday, September 13, 2022
Wednesday, November 22, 2023
Tuesday, September 13, 2022
问题:据统计,火灾爆炸事故中电气原因引发的火灾仅次于明火。()...
Tuesday, September 13, 2022
问题:在0℃及101.3KPa压力下,氯化氢在空气中的扩散系数为()c...
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:有害作业与无害作业分开,高毒作业场所与其他场所隔离。...
Tuesday, September 13, 2022
问题:危险化学品单位发生危险化学品事故,造成他人人身伤害或者财产损失的...
Tuesday, September 13, 2022
问题:硝化温度自动调节、联锁报警装置,一旦温度失控,联锁装置报警并停止...
Saturday, September 17, 2022
问题:取得《特种作业人员操作证》者,每()年进行一次复审。...
Tuesday, September 13, 2022
Saturday, September 17, 2022
Tuesday, September 13, 2022
问题:独立避雷针是离开建筑物单独装设的,其接地装置应当单设,接地电阻一...
Tuesday, September 13, 2022
问题:每个防火分区至少应设一个火灾警报装置,其位置宜设在各楼层走道靠近...
Saturday, September 17, 2022
Saturday, September 17, 2022
Thursday, September 15, 2022
问题:传统的继电器控制系统是按并行方式工作的,PLC是按串行方式逐条执...
Tuesday, September 13, 2022
问题:弯管式质量流量计的特点是,容易起振,寿命长,加工复杂,需要()排...
Tuesday, September 13, 2022