题目内容

The vessel’s Loadline Certificate is always issued by ().

A. The Register of Shipping
B. Customs House
Cargo Survey Bureau
D. Maritime Safety Administratio

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不得将运行中的变压器的()保护和()保护同时停用。

物流成本是物流活动中所消耗的物化劳动和活劳动的货币表现。

A. 正确
B. 错误

刀具磨损属于变值系统误差误差,可以通过计算后输入()来补偿。

On his first sea()he was still quite young but showed great courage to face the storm.

A. trip
B. travel
C. tour
D. voyage

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