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[单选题]Each lifeboat must b的答案
搜答案
Each lifeboat must be lowered and maneuvered in the water at least once every().
单选题
2022-01-05 23:29
A、2 months
B、3 months
C、4 months
D、5 month
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正确答案
B
试题解析
标签:
救生设备
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