rnass concrete

 
  • 大体积混凝土

rnass concrete的用法和样例:

例句

  1. But construction cracks in massive concrete frequently occur, which leads to lower ray-shielding efficiency.
    但大体积混凝土施工中常会产生施工裂缝,以致降低了它防放射作用的效果。
  2. It is a difficulty to guarantee the high quality for bulk concrete construction in the high temperature weather.
    在高温天气如何保证要求高的大体积混凝土的施工质量是一个难题。

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