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.通過分析得出剖面特征為:發(fā)育淺薄的白云巖剖面粘粒組和細(xì)粉粒組隨剖面加深而逐漸減少;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)用橋式濾水管證明了在松散巖類粉細(xì)砂含水層開采時,可減少勘探施工和生產(chǎn)管理成本,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(xì)粉砂區(qū)塊的產(chǎn)生、發(fā)展過程進(jìn)行了分析,在此基礎(chǔ)上探討了出砂因素、出砂機(jī)理及細(xì)粉砂難于治理的原因。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