二极管导通时的正向电压称为正向压降（或管压降）。一般正常工作时，硅管的正向压降是（）V。

晶闸管具有正向阻断能力，即在未导通的情况下，加上正向阳极电压而控制极不加触发电压，晶闸管仍关断。

晶闸管导通时，其正向电压一般为（）。

在晶闸管正极加上正向电压，可使晶闸管导通

在晶闸管正极加上正向电压，即可使晶闸管导通。

用正弦半波电压测试晶闸管时，正反向漏电流的波形也是正弦半波开状吗？晶闸管导通时流过正弦半波电流，其正向压降的波形又是怎样的？

给晶闸管加上正向阳极电压它就会导通

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。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。