单项选择题

传感器一般由敏感元件、传感元件、测量转换电路等部分组成

A.正确
B.错误

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单项选择题

The owner or master of a towing vessel shall ensure that all tests and inspections of gear take place and are logged ____

A．A.when a new master assumes command
B．B. daily, at 0800 local zone time
C．C. weekly, before 2400 Saturday
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