A、watertight
B、resistant to water
C、so safe that no water will affect the hold
D、so strong that no water will come into the hold
更多“Wood or steel hatch covers are made（）by tarpaulins.”相关的问题
A、Each hatch consists of two panels. B、Each hatch cover consists of two panels. C、Each hatch consists of two or more panels. D、Each hatch cover consists of two or more panels.
A、A. These hatches are usually driven by electric or hydraulic power. B、B. These hatch covers are usually driven by electric or hydraulic power. C、C. These hatch covers are usually driven by electric. D、D. These hatch covers are usually driven by hydraulic power.
A、a vessel is equipped with an automatic smoke or fire detecting system B、the cargo hatches are of steel construction C、the cargo is of a nonflammable type D、there is sufficient fire protection located on the main deck adjacent to the cargo hatch
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