rnass concrete

 
  • 大體積混凝土

rnass concrete的用法和樣例:

例句

  1. But construction cracks in massive concrete frequently occur, which leads to lower ray-shielding efficiency.
    但大體積混凝土施工中常會(huì )產(chǎn)生施工裂縫,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.
    在高溫天氣如何保證要求高的大體積混凝土的施工質(zhì)量是一個(gè)難題。

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