Production line of reshaping silica sand mainly consists of raw sand drying, reshaping, screening, packing section and dust collecting system.
整形硅砂生产线主要由原砂烘干、整形、筛分、包装工段以及除尘系统组成。
Methods a screening on 8665 fetuses applying standardized criteria for section was done, and followed-up on the result after births or artificial abortion operations were made.
方法对8665例胎儿应用规范化标准切面进行超声筛查，并跟踪随访产后及引产后结果。
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