hydrodynamic entrapmenthydrodynamic trap水: water动力: motive power; power; dynamic圈: circle; ring闭: close; shut非构造水动力圈闭: non-structural hydrodynamic trap下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:水动力圈闭,即可在微信中查询翻译