词汇	roughing valve
释义	roughing valve 初级阀
随便看	be absolutely sure beach blanket beach blanket bingo beach boat be absorbed be absorbed by be absorbed by oblivion be absorbed by the problem be absorbed in be absorbed in a book be absorbed in a work be absorbed inreadinga book be absorbed in reading a book be absorbed in study be absorbed in the experiment be absorbed in the work be absorbed in thought be absorbed in thoughts be absorbed in… be absorbed with be absorbed with the problem be absorbent of be absorbent of water be abstemious in drinking be absurd in the extreme