1) Vertical well of small section
小断面立井
2) steep inclined shaft with small cross-section
小断面陡坡斜井
3) cross-section
[英]['krɔ:s'sekʃən, 'krɔs-] [美]['krɔs'sɛkʃən, 'krɑs-]
井巷断面
1.
The sizes of cross-section are related to the drivage costs,maintenance costs and ventilation electric costs.
井巷断面大小直接关系到掘进费、维护费和通风电费。
2.
In this paperle sum up the optimization methods presented dy different experts and scholars,put forward a path method of cross-sect-ions optimization,and provide a new technicalmethad for reasonable determination of cross-section.
本文在总结国内外的断面优化方法的基础上,提出了断面优化的通路法,为井巷断面的合理确定提供一种新的技术途径。
6) large-bore shaft
大断面井筒
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