保定市井盖厂

1、用早强水泥

1. Early strength cement

2、加早强剂

2, adding early strong agent

3、提高早期养护温度（但要注意保湿，否则容易产生裂纹）

3, improve the early curing temperature (but should pay attention to moisturizing, otherwise it is easy to produce cracks)

4、增加水泥用量的同时降低水灰比

4, increase the amount of cement and reduce the water cement ratio

假如想牢固的话

If you want to be firm

1、增加水泥用量的同时降低水灰比

1, increase the amount of cement and reduce the water cement ratio

2、适当增加钢筋提高井盖抵抗折性

2. Increase the steel bar to improve the resistance of the shaft cover