drainage measure

常見(jiàn)例句

These conclusions aid to measure drainage rate of gas and fixing on maintenance period of coal laneway.
這些結(jié)論對(duì)于檢測(cè)煤層瓦斯抽放率以及合理確定煤巷的維護(hù)周期具有重要的參考價(jià)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動(dòng)，布置不當(dāng)則效果不大。
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.
根據(jù)灰色系統(tǒng)理論中的關(guān)聯(lián)分析原理，建立了氣井排水采氣措施優(yōu)選的灰色關(guān)聯(lián)度分析方法。