rock drivage中文，rock drivage的意思，rock drivage翻译及用法

2026-03-22 07:02 浏览次数 18

rock drivage

[rɔk ˈdrividʒ]

巖巷掘进

rock drivage 例句

英汉例句

  • at present, in the building of new shaft, rock drivage takes 40%-50% of whole project, and the construction takes 35%-50%.

    目前，在新井建设中，巖巷掘进工程量一般约占总工程量的40%~50%，施工工期占35%~50%。

  • the test results show that the better blasting effect and obvious technical and economic benefits in coal rock drivage can be acquired by means of the quasi-parallel cutting method.

    实践表明，在煤矿巖巷掘进中使用準直眼掏槽方式，能够取得良好的爆破效果和显着的技术经济效益。

  • but in the mass, rock drivage in our country is slow and inefficient, which affects the properly conjoining of coal production.

    但我国巖巷掘进整体上表现为速度慢、工效低，影响了煤炭生产的合理接续。

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