low duty fireclay brick

例句：

1. 1. The construction of the new hospital willrequire the use of low-dutyfireclay bricks.
   新医院的建设将需要使用低负荷耐火砖。
2. 2. The engineers used low-duty fireclay bricks to reinforce the foundation ofthe building.
   工程师们使用了低负荷耐火砖来加固建筑物的基础。
3. 3. The constructionof the new bridge requiredthe use of low-duty fireclay bricks,which were then transported to the constructionsite.
   建造新桥需要使用低负荷耐火砖，这些耐火砖随后被运送到施工现场。