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“In times of heavy weather, it is extremely dangerous if manning is very short” This sentence means （）.
A:In times of heavy weather, it is extremely dangerous if a seaman is not enough tall
B:In times of heavy weather, it is extremely dangerous if a crew is very short
C:In case of bad weather, it is particularly dangerous if there is a shortage in personnel
D:In case of bad weather, it is particularly dangerous if there are enough personnel

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出自：海船船员证

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