strike drift的意思|示意

美 / straik drift / 英 / straɪk drɪft /

走向平巷

This paper took level 1280 strike drift of Dragon Head Mine as example to make an approach to the construction technology for drifting in bad strata.

本文以龙首矿1280沿脉巷道为例，对不良岩层中掘进的施工技术进行了探讨。