chain bucket excavator

进出口货... ... chain bucket elevator 链斗式提升机 chain bucket excavator 链斗式挖掘机 chain bucket sampler 链斗式取样器 ...

矿业工程专业词... ... chain bucket elevator 链斗式提升机 chain bucket excavator 链斗式扩掘机 chain coalcutter 链式截煤机 ...

chain-bucket... ... chain bucket 提料斗 chain bucket excavator 链斗式开沟机 chain bucket loader 链斗式装料机 ...