欧米惠必应词典

rate of penetration

R 开头单词

基本解释

  • 机械钻速；钻进速度

英汉例句

    双语例句

  • Oostveen says Australia has the highest rate of penetration of server virtualization in the world, New Zealand has the second highest.
    奥斯蒂文说，澳大利亚在世界上的服务器虚拟化的渗透率最高，新西兰位居第二。
  • Advances in polycrystalline diamond compact( PDC) bits have sharply increased rate of penetration( ROP), reduced drilling time and costs in oil and gas wells.
    聚晶金刚石复合片（PDC）钻头的发展及应用，大大提高了钻井的机械钻速（ROP），减少了钻井时间，降低了钻井成本。
  • According to figures from the first half of 2010 and published on Internet World Stats the rate of penetration of the Internet on the entire global population does not exceed 29%.
    据《互联网世界统计》发布的2010年上半年的数字，能够渗透互联网的全球人口比率不会超过29%。

    • 原声例句

  • "The Internet penetration rate of those three places is fairly low.

    • 权威例句

  • As mobile network operators gradually migrate of to CDMA from GSM in emerging markets, we expect the rate of CDMA penetration to increase, however at a slower pace, due to a larger mobile phone base.
    FORBES: Qualcomm Gets To $48, Higher If CDMA Expansion Has Legs
  • Although there has been some cable cutting, in which consumers drop pay TV and either use antennas or run a service like Netflix through an Internet connection, traditional TV distribution has an insanely high rate of market penetration.
    FORBES: Apple's TV Best Bet Is Right Under Its Nose
  • Although efficiency may explain a recent leveling of this trend, the penetration rate of building solutions has been insufficient to offset the sheer energy demand, highlighting a gap between actual and theoretical impact.
    FORBES: Log Baby Log: The Race to The Big New Resource Play You Haven't Heard Of

词组短语

    短语

  • drilling rate rate of penetration 钻进速度
  • rate of penetration recorder 坏钻速记录仪
  • initial rate of penetration 初始钻速
  • normalized rate of penetration 钻速标准化
  • The rate of penetration 普及率;率的渗透;渗透率

专业释义

    能源科学技术

  • 钻速

    When ambient pressure is kept 5MPa and pulse amplitude 5MPa, the drilling rate with negative pulsed jetting will bring out remarkably 1.4-2 times increase. The net increment in rate of penetration is greater at a higher weight on bit.
    在围压5MPa、负压脉冲幅值5MPa条件下模拟钻进,负压脉冲射流使钻速同比提高了1.4～2倍,随钻压的增加,负压脉冲射流的作用逐渐增强。

  • 钻进速度
  • 机械钻速

    • 地球科学

  • 机械钻速