重钻 meaning in English
redriling
redrill
Examples
- Model lb fishing cup is a practical and effective tool . during drilling operation , it can be used to recover the heavier drilling cuttings or metal chips which are difficult to be lifted out of the borehole by normal drillig fluid circulation
它是用来捞取钻井过程中正常的泥浆循环无法带出井眼的较重钻屑或金属碎屑的一种实用有效的随钻工具。