城市道路清扫保洁达标包括哪些？

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.

《河南省爱国卫生条例》中规定的城镇单位实行门前“三包”，“三包”是指清扫保洁，绿化美化，（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

公交线路始末站,地下通道等公共场所内的清扫保洁,由环境卫生作业单位负责。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

当楼梯的跨度大，活荷载也较大时，一般可采用板式楼梯。

当楼梯的跨度大，活荷载也较大时，一般可采用板式楼梯。