口服补液及时纠正脱水，应用ORS，说法正确的是（）

将构件的各个表面（）的过程成为展开，在平面上所得的展开图形为展开图，展开图的过程称为（）。

画在平面上的图形称为展开图，画展开图的过程称为（）。

常用的展开做图方法有（）展开法、放射线展开法和三角线展开法等。

正圆柱管的展开图的图形是（）。

画斜截圆柱外表展开图。

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。

圆柱底面积为S，侧面展开图形为正方形，则这个圆柱的全面积是（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。