锁环式惯性同步器，在换档过程是，未同步前锁环的转速（）

CA1092型汽车变速器采用两种同步器，锁销式惯性同步器和锁环式惯性同步器。

简述变速器换档的啮合条件、无同步器换档的操作过程、同步器的作用和锁环式同步器的工作原理。

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.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

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。

锁环式惯性同步器加速同步过程的主要原因是________。