主厂房压缩空气系统中,空压机额定排气压力()。
A、0.75MPA
B、0.76MPA
C、0.85MPA
参考答案:C
As long as you don't lose heart, you are ________ to achieve your goal. [ ]
A. bound
B. sensitive
C. allergic
D. attached
炮采工作面要加强监测的特殊时期是指()。
A.初放
B.撤面
C.装面
D.周期来压