排油压力影响泵的内泄漏和油液的压缩量,从而影响泵的实际输出流量。
参考答案：对
站台岗在站台层发生火灾时的应急处理程序？
Linda and Betty on the Great Wall now. [ ]
A. are taking photos
B. listened to concert
C. did some sightseeing
D. sent a letter
