cinder concrete

例句：

1. 1. The construction of the new bridge required the use of cinder concrete to ensure its strength.
   建造新桥需要使用炉渣混凝土以确保其强度。
2. 2.The engineer carefully mixed the cinder concrete to achieve the desired consistency.
   工程师仔细混合了炉渣混凝土，以达到所需的稠度。
3. 3.The cinder concrete was poured into the molds and allowed to cure for several days before being ready for use.
   将炉渣混凝土倒入模具中，让其在模具中硬化几天后即可使用。