backwall injection 井壁背后灌浆
backwall solar cell 后壁太阳电池
backwall photovoltaic cell 后壁阻挡层光电池
backwall photovoltaic effect 后膜光电效应
backwall with hanger 台后用衣架 ; 底面用衣架
backwall grouting 壁后注浆
The quality of freeway structure retailing backwall refilling concerns the freeway global quality.
高速公路构造物台背回填质量关系到高速公路整体质量。
In this paper the authors approach the application of drilling mud to face pre-injection, backwall infilling injcetion, roof fall space infilling injection and split zone infilling injcetion.
本文探讨了泥浆在工作面预注浆、壁后充填注浆、冒空区充填注浆和离层带充填注浆中的应用。
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