Objective Research element composition of producing power in foundrywork and quarry work.
调查研究某铸造作业和采石作业生产性粉尘成分的元素含量。
2
Objective Research element composition of producing power in foundrywork and quarry work.
目前对炼钢连铸生产作业计划的研究普遍只考虑满包转运阶段。
3
This paper studies the practice and mechanism of slagging-off and insulation of Xinyang perlite instead of straw ash used in foundrywork conventionally.