英语词汇rotary drill bit (rotary boring head) deep drilling的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	rotary drill bit (rotary boring head) deep drilling
释义	rotary drill bit (rotary boring head) deep drilling 翻译旋转钻头（旋转钻头）深钻
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英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。