运行的热力网每（）应至少检查一次。

值班人员（）至少进行一次夜间熄灯巡视，重点检查导线接续及绝缘子的异常情况。

正常运行的变压器应至少每6年测一次绕组变形。（）

正常运行的变压器应至少每（）年测一次绕组变形。

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。

长安474Q发动机每转一圈，一个汽缸点火一次

柴油机运行记录，每班填一页，每（）填一次。

柴油机运行记录，（）填一页，每1h填一次。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。