多用户系统，用户程序不能直接用I/O指令，而用“进管”指令，进管请求输入输出，“进管”指令属于管态指令。

配重涂敷进管使用的设备是（）。

配重涂敷进管的首要步骤是（）。

混凝土配重层用水泥最低标号要求（）。

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

由他人代替考试.替他人考试.组织作弊.使用通讯设备作弊以及其它作弊行为严重的，可以给予（）处分。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。