hard penetration的意思
hard penetration中文翻譯:
硬貫穿件
penetration───n.滲透;突破;侵入;洞察力
penetration rate───穿進速率,焊透率;焊透率;[機]穿進速率;進尺速度
penetration pricing───滲透定價法
hard───adj.努力的;硬的;困難的;辛苦的;確實的;嚴厲的;猛烈的;冷酷無情的;n.(Hard)人名;(英、芬、瑞典)哈德;adv.努力地; 猛力地; 嚴重地; 沉重地;adv.努力地;困難地;辛苦地;接近地;猛烈地;牢固地;adj.困難的; 硬的; 有力的; 努力的
hard wearing hard───耐磨的
hard by hard───一點一點地
play hard work hard───放肆玩樂,拼命工作
absorbency and penetration───吸收性和滲透性
work hard play hard───努力工作,放肆玩樂
uses a new rotary penetration instrument independently developed by Xi'an University of Technology, it shows a unique advantage in soft rock and other hard material layer.───運用西安理工大學自主研發的新型旋轉觸探儀,針對軟巖等硬質地層進行旋轉觸探試驗,顯示了獨特的優越性。
KQC series of air hammers used in gas drilling can solve certain problems, such as lower ROP(Rate of Penetration) and well deviation, which occurred in mud drilling in above medium hard formation.───在油田氣體鉆井中使用KQC系列空氣錘,解決了泥漿鉆井在中硬以上地層中鉆速慢、易井斜的難題。
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