purdah injecting

 
  • 帷幕注浆

purdah injecting的用法和样例:

例句

  1. With the technics of purdah infusion to stem water, surface sinking of large area can be prevented.
    采用帷幕注浆堵水工艺可防止大面积地表塌陷的发生。

purdah injecting的相关资料:

临近单词

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