| 释义 |
rnass concrete
基本例句
大体积混凝土
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。
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。 |