... 闭口型压型钢板—混凝土组合板 composite slabs with closed profiled steel sheeting 闭矿 mine closure 闭路循环水 closed circulating water system ...
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短语
闭矿裁员
closed mines and unemployment
关闭的矿山
closed mine
闭路循环选矿机
system separator
;
closed-system separator
闭路磨矿
[矿业]
closed circuit grinding
矿井密闭
[矿业]
[安全]
mine sealing
闭路磨矿机
[矿业]
closed circuit grinder
闭坑矿山
mine closed
;
closed down the mine
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