圆柱螺旋压缩弹簧稳定性如果不满足要求，可采用（）措施以增加弹簧的稳定性。

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.

圆柱螺旋压缩弹簧稳定性如果不满足要求，可采用（）措施以增加弹簧的稳定性。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

螺旋压缩弹簧和螺旋拉伸弹簧的区别（）。

●设AND、OR和NOT分别表示按位与、按位或和按位求反运算，且X=10011011，Y=01111010，Z=11101000，则(NOT(X) AND Y)= (9) ， (Y OR NOT(Z))= (10) 。10011011011110101110100001100000(10)

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

根据圆柱弹簧的作用形式有（）、拉伸弹簧、扭转弹簧。