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vertical shafts

网络竖井井筒；垂直井

vertical shafts

vertical shafts

vertical shafts

竖井井筒

套筒式竖井配水,sleeve type shaft... ... ) vertical shafts 竖井井筒 ) sleeve type shaft distribution 套筒式竖井配水 ...

垂直井

科学家表示：这些洞穴无论是很深的垂直井（vertical shafts）或通往地下宽阔洞穴的通道开口，都可以进入火星地下地层中； …

1

Some of the caves were open to the surface through steep entryways or vertical shafts stretching up to 160 feet .

其中的一些洞穴通过陡峭的入口通道或立井通向地面，深达 160 英尺。

3

In the process of construction of the vertical shafts, it is very difficult to harness the especially big water flood in all countries .

立井施工中，特大砂岩水的治理，国内外尚未能很好解决。

5

Characteristic Analysis and Control Methods of the Sandstone Water in Vertical Shafts

立井井筒砂岩水特性分析及治理方法

6

The Selection of the Key Parameters of Maize Straw Cutting Machine with Dual Vertical Shafts and Disc Knives

双立轴式圆盘刀玉米秸秆切碎器参数的选择

7

Application of C-S double grouting stage water stop consolidation in construction of vertical shafts in thick and water-rich beds

C-S 双液注浆分段止水加固法在厚的富水层竖井施工中的应用

8

Construction of Deep Foundation Pits of Pudong and Puxi Vertical Shafts for Sightseeing Tunnel

观光隧道浦东、浦西竖井深基坑施工

9

Counter-measures for Constructing Vertical Shafts in Soft Strata

软岩中立井的施工对策

10

Discussions on blasting options for large vertical shafts

大台竖井钻爆施工方案探讨

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