combined strainer and check valve组合: make up; compose; constitute滤: filter; strain气: gas止回阀: check valve; check-valve mou ...充气止回阀: charging check valve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:组合滤气止回阀，即可在微信中查询翻译
