Unfortunately, Grandma always seems to awaken at awkward moments...不幸的是，奶奶好像总是醒来的不是时候。The British never awaken to peril until it is almost too late.英国人从来不懂得防患于未然。awaken sb.’s to a sense of duty唤起某人的责任感Old people awaken e...
研究发现,滑片背部的滑槽背压对滑片的行为有重要的影响.It is discovered that vane slot back pressure has great influence on vane behavior.旋叶式压缩机中的气缸内壁型线直接影响着排气量 、 压力变化规律、滑片的运动等.The cylinder wall profile has direct influence on discharge volume, pre...