loose-flange joint松: pine法兰盘: flange plate; ring flange接头: connect; join; joint松套法兰盘: loose flange法兰盘接头: flanged ends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:松套法兰盘接头，即可在微信中查询翻译
