So material management information system mast register the whole process of material circulation.
因此物资管理信息系统需要记录物资流通的全过程。
The valve is the opening type. The material is in the state of circulation.
棒条闸门一般为常开型，物料处流通状态。
The valve is the opening type. The material is in the state of circulation.
棒条闸门一般为常开型，物料处流通状态。
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