单词	double piston valve
释义	double piston valve 双活塞阀
随便看	bet on the wrong horse betony be tony be too big for one's boots be too big for one's breeches be too big for one's pants be too big for one's shoes be too big for one's trousers be too clever by half be too close for comfort be too familiar with be too hot to handle betook be too late be too many for be too much be too much for be too previous about be too sharp for Betoota be too weak to develop well be too wet during the period of tillage be top be to pawn be top dog 朝从北岸来朝作猛虎行朝出沙头日正红朝别黄鹤楼朝去信断知何处朝喧弦管朝士归来尚疑误朝天车马朝天阙朝如青丝暮成雪碰软碰运气碰钉子碰钟碰铃碰锁碰锁碰面碰鼻子碱