low-strength cement

例句：

1. 1. The construction workers used low-strength cement to build the foundation of the new building.
   建筑工人使用低强度水泥来建造新建筑物的基础。
2. 2.The engineer recommended using low-strength cement for the project because it is more durable and resistant to cracking.
   工程师推荐使用低强度水泥进行该项目，因为它更耐用且抗裂。
3. 3. The builders mixed low-strength cement with sand and water to create a stable mixture that canbe poured into molds quickly.
   建筑者将低强度水泥与沙子和水混合，以制作一种可以迅速倒入模具的稳定混合物。