operating valve body操作阀: operating valve体: body; part of the body操作阀体柱螺栓: operating valve body stud操作阀柄爪: operating valve stem jaw操作阀垫圈: operating valve gasket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:操作阀体，即可在微信中查询翻译
