“direct or reversecirculation rotary drill”的概念、定义、翻译、参考文献-科学参考

单词	direct or reversecirculation rotary drill
释义	direct or reversecirculation rotary drill Encyclopedia 工学桩工机械释 direct or reversecirculation rotary drill正反循环回转钻孔机依靠钻具回转运动切削地层成孔，以正循环和反循环方式排渣的潜水式钻孔机。
随便看	Haozi(work song) HAP HAPA Hapag-Lloyd Global Container Liner Shipping haploid haploid breeding haploid breeding in trees haploid breeding of algae haploid phase haploidy haplophase haplopia haploscope haplotype Happening Happening Art Happenings in Ali-shan happiness Happiness Capriccio Happiness in the Peach Garden Happiness Jin Opera Troupe Happiness Rhapsody happy happy but not toomuch, grief without injury Happy Camp

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