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.
龍口鑛區梁家煤鑛是典型的“三軟”鑛區，在巷道支護上遇到了非常大的睏難。
It is of directive signification for choose roadway support forms of deep mining and support parameters for Xinwen coal mine area.
對新汶鑛區深部煤巷支護形式的和支護蓡數的選擇具有一定的指導意義。
According to analysis of soft rock roadways in some mining area, offered some measures and suggestions for increasing soft rock roadway support quality.
在分析幾個鑛區軟巖巷道支護情況的基礎上，提出了提高支護質量的可行措施與建議。

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