《地下防水工程质量验收规范》适用于地下建筑工程、市政隧道、防护工程、地下铁道等防水工程质量的验收。

《地下防水工程质量验收规范》适用于地下建筑工程、市政隧道、防护工程、地下铁道等防水工程质量的验收。

铺草皮的边缘间距一般为（）左右。

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。

属于路基冲刷防护中的直接防护的是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。