你可能感興趣的試題

The primary reason for placing covers over storage batteries is to（）.

A.Prevent the accumulation of explosive gases
B.Protect the hull from leaking electrolyte
C.Prevent movement of the battery in rough waters
D.Protect against accidental shorting across terminals

單項(xiàng)選擇題

The master should（）necessary precautions to prevent accidents or damage.

A.do
B.take
C.set
D.have