常見例句雙語例句The fine gravel or sand is then pumped down the tubing with a carrier fluid.然后細(xì)小的礫石或砂子用攜帶液沿油管向下被泵入井底。www.infopetro.com.cnThe wind booms down the curved length of the trailer and under its roaring passage he can hear the scratching of fine gravel and sand.風(fēng)沿著拖車的輪廓呼嘯著打轉(zhuǎn),他都能聽到沙礫在風(fēng)中發(fā)出刮擦聲。This was an adaptation to the steppes of the Central Asia, which largely consisted of a hard, rocky ground, covered with coarse sand, more like fine gravel and of stiff, parched vegetation.這是一種適應(yīng)中亞的大草原,這在很大程度上是一種堅(jiān)硬,巖石地面布滿粗砂,更像細(xì)礫和僵硬,口干舌燥植被,包括。權(quán)威例句No need for an immaculate strip of lawn—a bit of fine gravel will do.ECONOMIST: Niche sports: The running of the boules TheFilter material: layer of fine gravel used in slope stabilization structures that allows water to escape and retains soil particles.UNESCO: L O S S A R Y 返回 fine gravel