焊接工字形截面梁腹板设置加劲肋的目的是（）。 

轴心受压和偏心受压试验结构构件两端应分别设置刀口式支座

轴心受压和偏心受压试验结构构件两端应分别设置刀口式支座

焊接工字型截面梁腹板设置加劲肋的目的（）

为防止受弯构件中的腹板失稳常设置加劲肋，此举是为了（ ）。

焊接工字形截面梁腹板设置加劲肋的目的是（）。 

焊接工形截面钢梁设置腹板横向加劲肋的目的是(    )。

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。