gantryn.(起重的)龙门架；跨轨信号架；(火箭发射设备的)竖架gantry material cutter龙门式裁料机gantry container crane集装箱龙门起重机gantry crane structure门机结构gantry crane with hook吊钩门式起重机Gantry Milling Machine龙门铣床gantry cutting machine龙门式切割机gantry-moving milling龙门移动式镗铣床Gantry Machining Center龙门加工中心gantry type sand slinger[机] 龙门式淬砂造模机gantry processing center龙门加工中心