Under the I-beam steel erecting shed support in the composite roof and pressure centralized area,the pressure relief support and archor belt strengthening support are applied.

 
  • 在復合頂板及壓力集中區域內用工字鋼架棚支護方式下,采用卸壓支護及錨帶加強支護技術(shù),減輕了棚子的壓力,有效地控制了棚子變形,滿(mǎn)足了支護的要求。
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