磁性材料回转窑
magnetism-materials rotary kiln
回料阀
return valve
material returning device
Loop seal
material return valve
particle valve
回料阀堵塞
the foul block of return valve
回转料浆配给机
rotary slurry distributor
线排料回转真空过滤机
rotary vacuum string discharge filter
7500t全回转浮吊
7 500 t fully slewing floating crane
7500t全回转浮式起重机
7
500-ton fully-rotatable floating crane