题目内容

Theurgencysignalconcerningtheillnessofpersonsonboardshipis().

A. Mayday
B. Pan
C. Securite
D. Attention

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密目式安全网用于立网,网目密度不应低于()

A. 1500目/10cm
B. 2000目/10cm
C. 2200目/10cm
D. 2500目/10cm

Thetimeworkedbeyondregularhoursisexpressedintermof().

A. timeover
B. timeout
C. overtime
D. outtime

一低压动力客户安装电流互感器的变比为75/5,其倍率为()。

A. 75
B. 15
C. 5
D. 25

Thetallyfeeswillbesettled()myshipowner()theagents.

A. to/for
B. for/to
C. by/through
D. through/for

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