我不太喜欢倒勾，因为你必须在指板上挖较宽的沟。

I don't like studs. You have to make a very wide groove.

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目的总结横窦沟微型硬膜外血肿合并对冲性脑挫裂伤的临床特点及手术指征。

Objective to summarize the clinical characteristics and operative indications of epidural micro-hematoma in the groove of transverse sinus combined with cerebral contusion and laceration.

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细沟间侵蚀是指坡面上细沟未形成之前或细沟形成之后细沟间的土壤侵蚀过程。

Rill erosion refers to the soil erosion process taking place between rills before or after formation of rills on the slope surface.

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