... fettling chisel 凿断凿 fettling material 补炉材料 fettling shop [机] 清理场 ...
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补炉料
spraying fettling material 喷补料
fettling material consumption 补炉料消耗
fettling chisel material 补炉材料
It is an effective way of eliminating the occurrence of silicosis in fettling workers by substituting silica with limestone as molding material in steel casting factory.
铸钢工艺中采用石灰石砂代替石英砂是一种有效的消除清砂工矽肺的措施。
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