vacuum assistance injection

 
  • 真空輔助壓漿

vacuum assistance injection的用法和樣例:

例句

  1. The prestressing duct vacuum grouting workmanship is an effective measure for improving the safety and durability of the post-tensioning concrete structures.
    預應力管道真空輔助壓漿工藝是提高后張預應力混凝土結構安全度和耐久性的有效措施。

vacuum assistance injection的相關資料:

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