阀座密封负载和紧密性与反压力相关.Seating load and tightness is dependent on back pressure.不要安装在可能发生反压力的地方.Do not install where backpressure can occur.止回阀模块结构应该包括内 置 止动限止器,防止由于反压力造成阀瓣磨损.Check module construction shall include built - in ...
She felt a deep sense of shame...她深感羞愧。He is, by nature, a joker, a witty man with a sense of fun.他天性是个爱开玩笑的人，说话诙谐，很有幽默感。There is a wry sense of humour in his work.他的作品带有一种讽刺意味的幽默。He had a clownish sense of humour.他有一种非常...
...a band of twinkling diamonds.一串闪闪发光的钻石Clods were handy and the air was full of them in a twinkling.地上的泥块顺手可得,于是汤姆捡起泥块朝希德扔过去.The sky was dark, stars were twinkling high above , night was reigning , and everything was s...