单位长度扭转角

工程中常以最大单位长度扭转角不得超过许可的单位长度扭转角作为圆轴扭转时的刚度条件。

工程上常对受扭构件的单位长度扭转角加以限制。

单位长度扭转角θ与下列哪项无关( )

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

一圆轴用碳钢制作，校核其扭转刚度时，发现单位长度扭转角超过了许用值。为保证此轴的扭转刚度，采用措施（）最有效。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。