电气工程施工时应重点注意哪些安全技术要点？

凡是技术状况良好，外观整洁，技术资料齐全、正确，能保证安全、经济、满供、稳供的电气设备应定位（）。

船用电气设备在机械和电气技术条件方面有什么特殊要求？

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.

电气专业教学中电机和一般电气技术实验有哪些实验项目？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

通常人们采用的电气安全技术措施有哪些？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。