gold dredger plant 采金船制造厂
gold dredger design 采金船设计
marine gold dredger 海上采金船
bucket-ladder gold dredger 链斗式采金船
Gold dredger ship and the difference in what place?
和挖沙船的区别在什么地方？
SeTeral sealing methods for jigs and tables are presented in detail and the gold dredger operation management also discussed in this paper.
对选矿设备跳汰机与摇床的封闭作了详尽的阐述，同时也对采金船的生产管理进行了讨论。
The dredger of 300L in volume imported from Netherlands often caused the larger grains of gold running off through the screen.
从荷兰引进的300升采金船，存在筛上流失大粒金的问题。
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