狭窄场所使用Ⅱ类工具,必须装设动作电流不大于()的漏电保护器。
A.15mA
B.30mA
C.45mA
D.75mA
参考答案:A
girls, we have many skirts, are very nice.
A.To; They
B.For; They
C.To; It
D.For; It
设计图纸的目的是什么?