1.
3.14 Add PF-GLA for raise the resist caving capacity and lubricity.
加入PF－GLA以增强泥浆的防塌润滑性能。
2.
Anti-Sloughing Drilling Dluids Technology for Jiangcang Coal Exploration in Qinghai Province;
青海省江仓矿区防塌钻井液技术研究
3.
The Study and Application of the Anti-sloughing Drilling Fluid SJY-1.
SJY-1防塌钻井液的研究及应用
4.
Synthesis of the AM/AOPS/DEDAAC Copolymer Anti-sloughing Filtrate Reducer
AM/AOPS/DEDAAC共聚物防塌降滤失剂的合成
5.
Technology on Anti-High Temperature and Anti-Sloughing Drilling Fluid Used in Deep Well in Yumen Oilfield
玉门油田深井抗高温防塌钻井液技术
6.
Hole sloughing prevention and antileakage drilling technology in deep buried hill inside well drilling in Jizhong depression of Huabei Oilfield
冀中坳陷深潜山内幕井防漏、防塌钻井技术
7.
TECHNOLOGY OF DRILLING FLUID IN BLOCK DX
防漏防塌钻井液技术在滴西油田的应用
8.
You must do something to keep the roof from falling in.
你们必须防止屋顶塌下来。
9.
Props were used to prevent the roof collapsing.
用了一些支柱以防止屋顶塌落.
10.
We must do something to keep the roof from falling in.
我们必须设法防止屋顶坍塌下来。
11.
The hole was lined with a steel tube to prevent the walls from falling in.
用一根钢管给钻孔加衬，以防井壁坍塌。
12.
The Cause of Material Collapse Outside Kiln of Precalcing System, Its Prevention and Remedial Measures;
窑外分解系统塌料的原因预防及处理
13.
Causes and Prevention of Collapse from Building Fires;
建筑火灾坍塌事故的成因及预防对策
14.
Guard against the slip of earth's surface subside of tunnel and countermeasures
隧道地表塌陷事故的预防及处理措施
15.
Development characters and prevention measures of the karst collapse in Kunming
昆明市岩溶塌陷发育特征和防治措施
16.
The stone cage, made of geonet, can prevent collapsing when being used in dike.
◆ 用土工网制作石笼，应用于堤坝可以防止塌方。
17.
On Handling of Collapsed Embankment on Mollisol Foundation
关于软土地基塌方堤防处理方法的探讨
18.
The stone cage , made of geonet, can prevent collapsing when being used in dike .
用土工网制作石笼，应用于堤坝可以防止塌方。