In conversation, almost without thinking about it, you()a wide range of skills. ["employ","explore","empty","explode"]
资信证明、委托调查应加盖() ["业务公章","核算用章","核算事项证明章","结算专用章"]
环境保护主管部门作出限制生产、停产整治决定的,应当制作(),也可以在行政处罚决定书中载明。 ["责令查封、扣押决定书","责令限制生产决定书","责令停产整治决定书","B和C"]
加工IT7级Φ18mm孔时,可采用()方法。加工IT8级Φ90mm孔时,可采用钻—镗方法。 ["钻—扩","钻—铰","钻—扩—铰"]
铰孔直径最大约为()。铰孔对孔位偏移不能纠正。铰孔结束后,退刀时不允许倒转。 ["Φ24mm","Φ30mm","Φ80mm"]
CRH380B型动车组的备用制动司机制动阀(C02)设有哪几个作用位?