screw flange螺栓: bolt; screw bolt; threaded b ...连接法: connection method兰: orchid fragrant thoroughwort ...螺栓连接法: bolted on connection; bolted-on connection双头螺栓连接的法兰: double-studded flange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:螺栓连接法兰，即可在微信中查询翻译
