片语
tow chain牵引链,拖链
drag conveyor chain assembly刮板输送机链总成
drag-chain conveyor牵链输送机;刮板式运输机
drag conveyor chain刮板输送机链
drag raddle chain链板式输送器
cable drag-chain电缆拉拖链
drag-chain arresting gear链式拦阻装置
transporting speed of drag-chain conveyer输送悬链速率
drag conveyor chain tension刮板输送机链张紧度