1、
Using Three-way Return of Cartridge Valve in Hydraulic System of 25T External-Pilot Casting Machine
插装阀三通回路在25T外导式铸造机液压系统中的设计应用
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2、
About Process Conditions and Construction of Polyurethane Casting Machines for Pilot Test
浅谈聚氨酯材料配方试验机的工艺条件和设备结构
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