发电机氢气温度控制旁路门起什么作用?
参考答案:
当调门故障时使用旁路调整.
______, where is the post office near here?[ ]
A. In the way
B. On the way
C. By the way
D. To the way
英译汉:“in force;free of charge”,正确翻译为( )。
A.强迫;零钱B.生效;免费C.强迫;免费D.生效;零钱