1) Large section starting cut in top-coal caving face
综放大断面开切眼
2) large section open-off cut
大断面切眼
1.
Taking the open-off cut in 10201-S working face at Sihe mine as a example,the schem,technical parameters and construction method for the support of large section open-off cut are introduce.
以寺河矿 10 2 0 1S首采工作面切眼为例 ,证实了大断面切眼的支护设计方案、技术参数以及施工方法选择的正确性 ,介绍了施工中所采取的技术保证措施。
3) supergiant cross-section cut hole
特大断面切眼
1.
Aimed at the first construction of the supergiant cross-section cut hole in the near wind oxidization zone of Zhangji Coal Mine,it is successful to adopt high strength anchor net canopy support technology and driving graded construction.
针对张集煤矿首个位于风氧化带附近的特大断面切眼(8000 mm×3400 mm)施工,采取高强度锚梁网加大密度挑棚的联合支护技术和导硐法分次掘进技术施工,取得了成功。
4) large-bore roadways of sub-level
综放大断面巷道
6) Large cross section drawing
大断面放矿
补充资料：异形断面钢材(见异形断面型材)
异形断面钢材(见异形断面型材)
special section steel
，一、u以uu、’“飞豆on gQngC01异形断面钢材(speeial Seetion steel)见异形断面型材。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条