drainage measure

常见例句

These conclusions aid to measure drainage rate of gas and fixing on maintenance period of coal laneway.
这些结论对于检测煤层瓦斯抽放率以及合理确定煤巷的维护周期具有重要的参考价值。
The drainage is a common measure of landslide administer. Suitable drainage measure can effectively prevent landslide activity, but the effect is not well if unsuitable.
排水是常用的滑坡治理措施，合理的排水措施可有效地防止滑坡活动，布置不当则效果不大。
According to the relation analysis principle in grey system theory, the grey related method is set up in this paper for optimizating the measure of drainage gas recovery in gas wells.
根据灰色系统理论中的关联分析原理，建立了气井排水采气措施优选的灰色关联度分析方法。