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ladder dredger
construct. 链斗式挖泥船〔机〕
tech. 链索斗挖泥机; 联斗挖泥船; 多斗挖泥机; 斗梯式挖泥船; 梯形链斗式挖泥机; 链斗式挖沟机; 链斗式挖泥船; 链斗式挖泥机
ladder dredger: 23 phrases in 4 subjects
Engineering geology1
Metallurgy1
Oil / petroleum4
Technology17