gantry crane with shuttle girder滑: slippery; smooth伸: stretch; extend式: type; style龙门起重机: gantry crane固定式龙门起重机: fixed gantry crane; frame crane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:滑伸式龙门起重机,即可在微信中查询翻译