scheme of retaining system

 
  • 支護方案

scheme of retaining system的用法和樣例:

例句

  1. The test results showed that the scheme and parameters used are valid and thesupport structure is safe in stoping.
    實踐證明,所確定的支護方案及參數是有效的,進路回採中支護結構安全可靠。

scheme of retaining system的相關資料:

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