pipelayers
美
英 
例句
EARTH-MOVING MACHINERY. LIFT CAPACITY OF PIPELAYERS AND WHEELED TRACTORS OR LOADERS EQUIPPED WITH SIDE BOOM.
土方机械.装有侧起重臂的铺管机.轮式拖拉机和装卸机的提升能力
Earth-moving machinery - Pipelayers - Definitions and commercial specifications
土方机械.铺管机.定义和商业规范
Earth-moving machinery - Safety - Requirements for pipelayers
土方机械.安全.管道敷设设备的要求
Earth-moving machinery - Safety - Part 9: Requirements for pipelayers
土方机械安全第9部分:管道敷设机的要求