问题
单项选择题
According to the regulations for life boat falls，which action must be taken at 30-month intervals?（）
A.End-for-ended
B.Renewed
C.Inspected
D.Weight tested
答案
参考答案：A
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According to the regulations for life boat falls，which action must be taken at 30-month intervals?（）
A.End-for-ended
B.Renewed
C.Inspected
D.Weight tested
参考答案：A