1) directional excavation
定向掘进
1.
mine laneway section automatic forming control,cutting head constant power speed regulation control,position detection control and directional excavation control of boom-type roadheaders.
阐述了悬臂掘进机巷道自动截割控制的4个关键技术,即掘进巷道断面自动成形控制、截割头恒功率自动牵引调速控制、掘进机位姿检测控制以及掘进机定向掘进控制。
2) raise driving
反向掘进
3) tunneling direction
掘进方向
1.
Shield tunneling direction control technology;
盾构隧道掘进方向控制技术
4) uprisnig
上向掘进
5) advancing along the strike
沿走向掘进
6) directional drilling
定向钻进
1.
The application of horizontal directional drilling technology in municipal pipeline;
水平定向钻进技术在市政管线上的应用
2.
Application of polar stereographic projection in the well trajectory design and calculation of directional drilling
极射赤平投影在定向钻进轨迹设计计算中的应用
3.
For mining CBM effectively,directional CBM production wells were drilled through the application of directional drilling.
为有效开采煤层气,应用定向钻进技术施工煤层气定向井。
补充资料：半煤岩巷掘进
见煤巷掘进。
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