单词	plain piston ring
释义	plain piston ring 平活塞环
随便看	plastic belt conveyor plastic bending plastic bin plastic binded-explosive plastic binder plastic binding plastic binding material plastic blade plastic block plastic blunting plastic blunting of crack tip plastic board plastic boat plastic-bodied car plastic body plastic body-like behaviour plastic bomb plastic bombing plastic bombs plastic bonded plastic bonded explosive plastic bonded explosives plastic-bonded magnet plastic bond fireclay plastic bonding xynz xypl xypp xypy xypz xyqb xyqh xyqj xyqx xyrq バリバリアフリーバリアフリー［barrier-free］バリアーバリアー［barrier］バリウムバリウム［barium］バリエーションバリエーション［variation］バリカン