词汇	piston junk
释义	piston junk 机活塞火力岸
随便看	bearing cooling water pump bearing-copper gold concentrate bearing core shaft bearing correction bearing correction transformer bearing corrosion bearing counter pressure bearing coures bearing course bearing course at pile end bearing coursers rock surface bearing cover bearing cover with multi-ladder bearing crack bearing crippling bearing crossing locating bearing-crossing locating bearing-crossing location bearing crush bearing cup bearing cup inserter bearing cup inserter set bearing cup puller bearing cup with ball bearings in ball race bearing current