“正反循环回转钻孔机”的概念、定义、翻译、参考文献-科学参考

单词	正反循环回转钻孔机
释义	正反循环回转钻孔机 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	Cross-over control crossover critical exponent cross over design crossover effect crossover equation of state crossover marketing crossover network crossover network, frequency dividing network crossover operator cross-over point crossover probability method crossover service crossover subs crossover time cross-over value cross partition cross phase modulation cross-phase modulation cross-platform reading technology cross point cross polarization cross-polarization cross pollination cross-pollination cross polytope

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。