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(shí)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(huì )產(chǎn)生施工裂縫，以致降低了它防放射作用的效果。
