在中等规模生产标准产品的铸铁工艺过程在造型工段的粉尘对工人危害最大；
The most severe dust hazard occurred in the molding job titles of the cast iron process of the middle-scale factory producing the standard products.
在中等规模生产标准产品的铸铁工艺过程在造型工段的粉尘对工人危害最大；
The most severe dust hazard occurred in the molding job titles of the cast iron process of the middle-scale factory producing the standard products.
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