25K型空调客车的空调控制柜(KLC40C-1T1)的KT3是()的时间继电器。 ["延时断开","延时闭合","瞬时断开","瞬时闭合"]
虚拟设计
39芯控制连接器的额定工作电流为() ["10A","12A","15A","8A"]
可作为软膏的基质,具有适宜的稠度与涂展性,但吸水性差的是() ["A.聚乙二醇","B.液状石蜡","C.凡士林","D.甘油","E.羊毛脂"]
可作为栓剂制备用基质的是() ["A.聚乙二醇","B.液状石蜡","C.凡士林","D.甘油","E.羊毛脂"]
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