Vessels transiting the Canal must have their gangways and de

【名词&注释】

责任事故(liability accident)

[单选题]Vessels transiting the Canal must have their gangways and derricks ________

A. readjusted
B. removed
C. lowered
D. rigged in

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学习资料：

[单选题]机损事故分为________。

A. 船员责任事故
B. 非船员责任事故
C. 船员责任事故和非船员责任事故
D. 船员责任事故或非船员责任事故

[单选题]Compared to a constant pitch propeller, a controllable pitch propeller

A. more efficiently uses available engine power
B. operates at a lower efficiency at a fixed speed
C. produces the same torque at lower engine power
D. develops its rated power at a lower speed

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