wellhead protector井口: the mouth of a well pithead; ...保护: protect; defend; guard; safe ...器: implement; utensil; ware井口保护: wellhead shelter井口保护装置: tree-protector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:井口保护器，即可在微信中查询翻译
