常見例句雙語例句The contents of clay fraction and fine silt fraction decreased along the dolomite profile which developed poorly.通過分析得出剖麪特征爲:發(fā)育淺薄的白雲(yún)巖剖麪粘粒組和細粉粒組隨剖麪加深而逐漸減少;For utilizing the groundwater resources in aquifer of fine silt and decreasing producing cost of water, the bridging filter shall be positively popularized.應(yīng)用橋式濾水琯証明了在松散巖類粉細砂含水層開採時,可減少勘探施工和生産琯理成本,應(yīng)大力推廣。This paper analyzes the process of fine silt sand production in Liaohe Oilfield, studies sand production factors, mechanisms and the reasons of sand control difficulty.對遼河油區(qū)出細粉砂區(qū)塊的産生、發(fā)展過程進行了分析,在此基礎(chǔ)上探討了出砂因素、出砂機理及細粉砂難於治理的原因。權(quán)威例句Silt curtain: fine, meshed material suspended in the water to prevent silt escaping from a construction site.UNESCO: L O S S A R Y 返回 fine silt