The state of circulating fluid flow in snail-hole drilling is a problem debated and attracting attention in the drilling field.
小口径钻进液循环的流态一直是钻探界十分关注的问题。
The state of circulating fluid flow in snail-hole drilling is a problem debated and attracting attention in the drilling field.
小口径钻进液循环的流态一直是钻探界十分关注的问题。
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