bridge-type connection桥型接线

bridge-type harrower桥型耙料机

bridge-type contact桥式接点

bridge-type choice桥型选取

bridge-type band桥型谱带

bridge-type screwunloader桥式螺旋卸车机

bridge-type grab crane桥式抓斗起重机

bridge-type measuring unit桥式测量装置

bridge-type photoelectric amplifier桥式光电放大器

bridge-type fluid pill防漏失处理液