large bulky concrete

• 大体积混凝土

large bulky concrete的用法和样例：

例句

1. The temperature rift is a problem of easy occurring in large volume concreting.
   大体积混凝土施工的一个特点是容易产生温度裂缝。
2. 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。