Every lifeboat which is fitted with a fixed（）VHF radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.<br>A:one-way<br>B:two-way<br>C:double-effect<br>D:one-effect

Every lifeboat which is fitted with a fixed（）VHF radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
A:one-way
B:two-way
C:double-effect
D:one-effect

出自：海船船员证

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