roadway support

常见例句

Liangjia Coal Mine in Longkou Mining Area is a typical "three-soft" mining area, meeting many difficulties in roadway support.
龙口矿区梁家煤矿是典型的“三软”矿区，在巷道支护上遇到了非常大的困难。
It is of directive signification for choose roadway support forms of deep mining and support parameters for Xinwen coal mine area.
对新汶矿区深部煤巷支护形式的和支护参数的选择具有一定的指导意义。
According to analysis of soft rock roadways in some mining area, offered some measures and suggestions for increasing soft rock roadway support quality.
在分析几个矿区软岩巷道支护情况的基础上，提出了提高支护质量的可行措施与建议。

LaHood is promising his full support to get Washington's main north-south roadway repaired as quickly as possible.
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