魏碑心思朗文词典

bottom hole rock surface

B 开头单词

常见例句

    雙語例句

  • Required rate of irrigation fluid on the back to the bit to cut down ﹑ rock cuttings from the hole bottom red powder in a timely manner, and to reliably bring to the surface.
    要求沖洗液的上返速率可能把鑽頭切削下來的巖屑﹑巖粉準時沖離孔底﹐竝可靠地攜帶到地表。
    • 返回 bottom hole rock surface