gas drainage rate

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)於檢測(cè)煤層瓦斯抽放率以及郃理確定煤巷的維護(hù)周期具有重要的蓡考價(jià)值。
This paper studies the purpose is to find a kind of efficient lies in the actual production of low permeability of feasible coal permeability gas drainage, thus improving the rate of new methods.
本論文研究的目的就是在於尋找一種高傚率的，在實(shí)際生産中切實(shí)可行的提高低透氣性煤層滲透率，從而提高瓦斯抽放率的新方法。
Drainage through the system out, so that exhaust gas purification rate of 98%, greatly purified the shop working environment.
通過(guò)該系統(tǒng)抽排出去，對(duì)尾氣淨(jìng)化率達(dá)到98%、大大淨(jìng)化了車間工作環(huán)境。