【判断题】配线应尽可能短且连接线应采用屏蔽双绞线,屏蔽线两端接到变频器的GND端子上。
【单选题】Inflammable cargo shall never be stowed in the holds to the engine room.
【单选题】There is ________ in the holds keeping eyes opened to prevent theft
【单选题】All the holds to be loaded with grain must be swept ______ commencement of loading.
【单选题】All the holds and other parts of the ship in which cargo is to be stowed should be ______ for the carriage.
【简答题】若模板链的序列为GAGTAC,则转录产物序列是( );若编码链的序列为GAGTAC,则转录产物序列是( )。