数控机床的自动换刀装置应满足哪些基本要求？（）

在（）数控机床安装有检测反馈装置用。

数控机床对导轨的基本要求有哪些？

数控机床的伺服系统一般包括机械（）和检测装置。

数控机床对检测装置有哪些基本要求？

机床导轨的作用是什么？对导轨有哪些基本要求？

数控机床进给传动系统中有哪些机械环节，各有什么要求？

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。