Various additives are used to control density, setting time, strength and flow properties.
可用不同的添加剂去控制水泥的密度、凝固时间、强度和流动性能。
Intelligent control methods were used to control heating time and heating gas flow.
智能控制方法用于调节停止加热时间和加热煤气流量。
Intelligent control methods were used to control heating time and heating gas flow.
智能控制方法用于调节停止加热时间和加热煤气流量。
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