试述地下厂房主洞室纵轴方向如何确定?各洞室之间的间距怎样确定?
代理支库原则上应设在()。 ["商业银行","股份制商业银行","商业银行或信用社","国有独资商业银行"]
电解槽压力掉接控制阀为为() ["氢侧气动调节阀","氧侧气动调节阀","气动薄膜调节阀","单向阀"]
电解槽液位调节控制阀为() ["氢侧气动调节阀","氧侧气动调节阀","气动薄膜调节阀","单向阀"]
代理支库办理的拨款、退付业务实行()级审核制度。 ["四","三","二","一"]
列检所在什么情况下进行摸轴检查?