The guard, fencing or shielding for moving parts or machinery can be removed for repair only when the machinery it belongs to（）

DSC distress relays can be transmitted by either（）or（）.

2010年，淮南师范学院体育学院被安徽省教育厅和省体育局授予全省“（）”先进单位称号。

Vessel shall normally join or leave a traffic lane（）of the lane.

The guard, fencing or shielding for moving parts or machinery can be removed for repair only when the machinery it belongs to（）

A （）can give power to hoist or lower cargo.

The goal, which they are unlikely to live to see , is tocure, prevent or manage all diseasesin the next 80or so years.

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（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

Never（）the lifeboat or lifecraft disengaging locks or hydrostatic release gears because it can cause them to fail to function.

Never（）the lifeboat or lifecraft disengaging hocks or hydrostatic release gears because it can cause them to fail to function.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。