下列属于瓦斯抽排管路检查工（测量工）安全责任制的是（）。

下列国家教育考试中属于水平性考试的是（）

下列属于往复泵的是（）

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。

下列指标属于连铸机的主要经济技术指标的是（）。

下列部件中不属于往复泵的部件是（）

冷凝工段泵工岗位有哪些技术规定？

矿井泵工每班都巡回检查，检查时间为（）小时/次。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。