drainage technique造句
例句与造句
- comprehensive gas drainage technique for coal-plough face
刨煤机工作面瓦斯综合抽放技术 - research and application on 1000 m shaft drainage technique
千米立井排水技术的研究与应用 - application and improvement of local gas drainage techniques
局部瓦斯抽放技术的应用与提高 - gas drainage technique for high position bore-hole along roof strike
顶板走向高位钻孔抽放瓦斯技术 - experimental study on gas drainage technique for mining area by surface boreholes
地面钻井抽放采动区域瓦斯技术的试验研究 - It's difficult to find drainage technique in a sentence. 用drainage technique造句挺难的
- probe into waterproof and drainage techniques used for the middle partition in double-arch tunnel
双连拱隧道中隔墙防排水施工技术探讨 - the gas drainage technique with short boreholes in stress reduced area for mining face with outburst hazard
高突工作面卸压区浅孔抽放技术 - application and study on gas drainage technique for highly-located bore-holes in poor penetration seam
高位钻孔抽放瓦斯技术在弱透气性煤层中的研究及应用 - the research on drainage technique is instructive for quay stability analysis and geologic calamity prevention and control
排水技术的研究对港口码头的稳定分析以及地质灾害的防治具有指导性意义。 - pvc subdrainage is one kind of advanced drainage techniques developed in recent years in the world . it will have a promising future of wide application
塑料暗管是一种新型的排水材料，具有很好的排水效果，应用前景广阔。 - port key drainage technique is a part of wharf stability research and a main aspect of stud on prevention of geologic calamity in reservoir area as well
摘要港口排水关键技术是港区码头稳定性研究的内容之一，也是库区防治地质灾害研究的主要方面。 - after analyzing the adaptability of molepipe drainage, an underground water table regulation is given out . finally, the efficiency of the drainage technique is determined after its comparison with gutter drainage and vertical drainage, and deep research on the effect of molepipe drainage on water table in a typically selected area
对暗管排水的适应性进行分析，提出了灌区地下水调控标准，与明沟排水和竖井排灌相比较，对暗管排水典型区调控地下水位的效果进行深入的分析研究，以确定这一排水技术的效果。