... oil sand processing plant 油砂加工厂 sand preparation plant 砂处理装置 sand reclaiming plant 旧砂再生设备 ...
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foundry sand preparation plant 铸砂处理工场
Study is made on preparation of small concrete hollow block using cinder wet discharged from power plant instead of sand by laboratory and industrial experiments.
通过实验室试验和工业性试制，对用电厂湿排煤渣替代砂配制的混凝土小型空心砌块进行了研究。
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