tracklayer〔名词〕履带式车辆,链轨式拖拉机,铺轨机详细»
tracklayer〔名词〕履带式车辆,铺路工人详细»
tracklayer〔名词〕履带式车辆,链轨式拖拉机,铺轨机详细»
tracklayer〔名词〕履带式车辆,链轨式拖拉机,铺轨机,铺轨工,铺轨机详细»
链轨式拖拉机caterpillar tractor;chaintrack tractor;crawler tractor;tracklayer;tracklaying tractor;tracktype tractor详细»