1) extra large caverns
特大洞室
1.
At Longtoushi hydropower station,diversion tunnel and spillway tunnel are extra large caverns with difficult geological conditions.
龙头石水电站导流洞及泄洪洞洞室均为特大洞室,隧洞地质情况复杂,工期紧且不同部位施工和不同工序施工干扰严重,现场施工组织的合理性是施工成功的关键。
2) tunnel with especially large-size section
特大断面洞室
4) large cavity
大型洞室
1.
Computer programming in calculation of large cavity surrounding rock by constructing stages;
大型洞室围岩计算中分期施工计算机程序处理
5) enlarging cavern
扩大洞室
6) Especially big limestone cave
特大溶洞
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