车间及试(实)验室的插座安装高度距地面不小于( );特殊场所暗装的插座安装高度距地面不小于( );同一室内插座安装高度一致。
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A、0.3m,0.15m
B、0.21m,0.15m
C、0.3m,0.25m
D、0.2m,0.25m
参考答案:
A、0.3m,0.15m
B、0.21m,0.15m
C、0.3m,0.25m
D、0.2m,0.25m
参考答案: