常見例句雙語例句Below 417℃, cobalt is in dense-hexagonal structure, it has lower frictional coefficient and sound wear resistance.鈷在417℃溫度以下,為密排六方結(jié)構(gòu),具有低的摩擦系數(shù),而具有很好的耐磨性。The results showed that surface of different materials have obvious influence on the frictional coefficient while direction has no significant effect on it.結(jié)果表明:摩擦方向?qū)δΣ料禂?shù)的影響不大,實際生產(chǎn)中主要需考慮摩擦基材面對摩擦系數(shù)的影響。Modified factor of frictional coefficient of different sections of designed path of one field or area is obtained by statistical computing and analysis of more wells.由多口井數(shù)據(jù)的統(tǒng)計計算和分析,可得某一油田或區(qū)塊的水平井設計軌道各井段的摩阻因數(shù)放大因數(shù)。 返回 frictional coefficient