mass concrete的用法和樣例：
例句
- "A-bomb, H-bomb and nuclear-powered submarine"
兩彈一艇 - The temperature specific property and change regularity of the mass concrete in laminal pouring are mirrored exactly by the monitoring result.
監測結果真實地反映了錨碇建設中薄層澆注大體積混凝土的溫度特性和變化規律。 - 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產生施工裂縫，以致降低了它防放射作用的效果。
