17. ______ is a system of seawater piping on board used primarily for fire fighting. The system is supplied by a fire pump taking suction from the sea.
(A) Fire main
(B) Portable extinguisher
(C) Hydrant hose
(D) Fire damper

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統計： A(256), B(40), C(88), D(43), E(0) #1312606

詳解 (共 1 筆)

#1559474
17. __​​____是船上海水管道系統，主要用於消防。該系統由消防泵提供，從海中抽吸。 （A）消防主 （B）便攜式滅火器 （C）消防栓軟管 （D）防火閥
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