岩段 meaning in English

duan yan

Supporting patterns of main roadway when passing soft seam and rock
大巷过软煤岩段支护方式探讨
Study of sedimentary facies of bioclastic limestone member , carboniferous , tarim basin
塔里木盆地石炭系生屑灰岩段沉积相研究
Analysis on and countermeasures for collapse in weak ground section of huocheling tunnel
火车岭隧道软弱围岩段塌方分析及处理措施
Characteristics and reservoir property of bioclastic limestone banks in central tarim basin
塔里木盆地中部生物屑灰岩段滩体特征及储集性
Ecological compensational problem of public forest along the longyan section of beixi of jiulongjian river
九龙江北溪龙岩段公益林的生态补偿问题

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