英语词汇downward drilling怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	downward drilling
释义	downward drilling disorderlinessn. 无秩序,骚动,混乱
随便看	extension of the expiry date extension of the function extension of the limitation period extension of the market extension of the physician extension of the residue field extension of the term of tenancy extension of the time for completion of works extension of the work cycle extension of time extension of time for filing extension of time for payment extension of upper limb extension of validity extension of validity of bids extension of vertebral column extension of waistband extension order extension ore extension organization extension outline of an impression extension partial denture extension pasture extension percent extension percentage

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