敷设机 meaning in Chinese

layer

Code of practice for safe use of cranes - side boom pipelayers
起重机安全操作实施规程.起重机侧臂管道敷设机
Steel reinforcement laying machine
钢筋敷设机
Testing earth - moving machinery - method for the evaluation of lift capacity of pipelayers and wheel tractors or loaders equipped with side boom
运土机械试验.第6部分:侧面带起重吊杆的管道敷设机和轮式拖拉机或装载机的升降能力评定方法