开采这种气体必须在煤层的天然裂缝与井筒之间建立起有效的连通孔道。
For Coal Bed Methane (CBM) production, the pore passage must be established between natural fracture and well bore.
在孔道连通设计中，还采用了局部优化的方法以减少系统的压力损失。
Local optimal method is used in the design of hole connection to reduce pressure loss of the system.
将集成块设计中元件外形干涉校核、孔道连通及校核手段引入集成环境，使人机交互设计结果能得到及时的检验。
The tools for components shape interference checking up, holes connecting and their security examining are imported to the integrated environment to check up human-computer interaction result in time.
本文介绍用微型计算机对复杂液压集成块进行孔道连通校验的算法及其软件实现。
This paper describes the algorithm and software programming of hydraulic manifold block's hole link check with personal computer.
锚机液压集成块设计系统主要包括：数据库设计模块、数据输入与编辑模块、外形布局模块、孔道连通设计模块、孔道校核模块、虚拟设计模块。
Design on hydraulic manifold block of Marine anchor main including database design module, data entry and editing module, layout design module, integrate hole design module, virtual design module.
锚机液压集成块设计系统主要包括：数据库设计模块、数据输入与编辑模块、外形布局模块、孔道连通设计模块、孔道校核模块、虚拟设计模块。
Design on hydraulic manifold block of Marine anchor main including database design module, data entry and editing module, layout design module, integrate hole design module, virtual design module.
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