传统的治疗方法是以环钻法为主的髓心减压技术。

Traditional scheme is core decompression technique using trephine.

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司钻法，工程师法和边循坏边加重法是现场常用的压井方法。

Driller's, waiting-and-weighting and circulating-and-weighting techniques are commonly used kill well methods in oil fields.

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并通过根钻法对三个不同演替阶段的森林的根系生物量进行了测定和比较。

The soil core method were also used to measure the biomass of roots in forests of three successional stages.

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