in advance supports and protections

 
  • 超前支護

in advance supports and protections的用法和樣例:

例句

  1. The advance support of intake and return aircourse needs a lot of plate girders in the comprehensive mechanized coal mining face.
    綜采工作面的進迴風巷超前支護要用很多板梁。

in advance supports and protections的相關資料:

臨近單詞

今日熱詞
目錄 附錄 查詞歷史