用熔断器保护电容器,熔丝的额定电流应为电容器额定电流的()倍为宜。 ["1.2~1.3","1.3~1.4","1.43~1.55","1.58~1.8"]
由断裂作用上升的山地称为:() ["褶皱断块山","断块山","高山","剥蚀残山"]
易货贸易方式采用()方式,比普通信用证复杂一些。 ["汇款","托收","循环信用证","对开信用证"]
作用于外周神经末梢而止咳药物是() ["半夏","紫菀","桔梗","苦杏仁","柴胡"]
各单位从银行提取现金时,必须由()或派车办理 ["A、两人同行","B、三人同行","C、项目经理","D、财务人员"]
什么是洋盆?