平板导热系数仪测定的试件应是（）材料或（）材料。

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。

落锤式弯沉仪测定的弯沉为（）。

贝克曼梁、自动弯沉仪测定的是静态弯沉而落锤式弯沉仪测定的是动态弯沉。

利用自动弯沉仪测定的弯沉值可以直接用于路基、路面强度评定。

定量荧光仪测定的是（）

气体测报仪测定的是可燃气体的（）。

电导仪测定的原理是什么？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。