橘子朗文词典
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bottom cleaning

B 开头单词

常见例句

    双语例句

  • The purpose and the principle of the slab bottom surface cleaning technology of the Handan Steel CSP plant were introduced.
    本文介绍了邯钢CSP生产线连铸坯下表面清理技术的目的、原理、效果和发展前景。
  • Once the aquarium is full of water, you will have to make small water changes, usually in conjunction with a bottom cleaning.
    一但你缸被水填满,你要通过很吸取缸底垃圾,来进行少量的换水。
  • This paper conducts a systematic experimental investigation into the effect of the number and configuration of nozzles on bottom-hole cleaning and makes a detailed theoretical analysis of the results.
    本文对三牙轮钻头下的喷咀数量、组合对井底净化的影响作了系统的实验研究和理论分析。
  • 权威例句

  • He had big bulldog clips, a masonite board, yellow Ticonderoga pencils, erasers, sketchpads, drawing paper—equipment that he stored in a grocery carton at the bottom of our bedroom closet and that my mother, when she was cleaning, wasn't permitted to disturb.
    NPR: Roth Rewrites History with a 'Plot Against America'
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