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1)  Initial Blasting down the Roof
初放
1.
A Shallow Argument of Concerning the Safety Control for Working Face During the Period of Initial Blasting down the Roof;
回采工作面初放期间安全管理浅议
2)  initial mining and discharging
初采初放
1.
According to the particularity of initial mining and discharging work on plough mining face in Malan Coal Mine,this paper expounds the improvements for the techniques adopted in initial mining and discharging on the mining face.
根据马兰矿刨煤机工作面初采初放工作的特殊性,阐述了对工作面初采初放工艺的改进。
3)  initial ejection
初始排放
4)  primary caving period
初放期间
5)  first roof caving
初次放顶
1.
Technology and control of first roof caving in coal working face;
采煤工作面初次放顶的技术与管理
2.
Practice of first roof caving technology at comprehensive mechanical mining face in steep thick coal seam;
急倾斜特厚煤层综放工作面超段高初次放顶的实践
6)  early new China era
解放初期
1.
However, there has been no scholar engaged in studying Shanghai Pawnbroking in the early new China era so far at present.
近代上海典当业兴盛活跃,但迄今还没有学者对解放初期上海典当业进行专门的研究。
补充资料:鞍山钢铁(集团)公司第二初轧厂1150初轧机轧制钢锭


鞍山钢铁(集团)公司第二初轧厂1150初轧机轧制钢锭


鞍山钢铁(集团)公司第二初轧厂1150初轧机轧制钢锭
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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