The structure and structure parameters of the combined valve were designed according to the function claim to the combined valve of the circulate mode sand spraying device.
根据循环式喷砂设备对组合阀的功能要求， 介绍了组合阀的结构和结构参数设计。
The structure and structure parameters of the combined valve were designed according to the function claim to the combined valve of the circulate mode sand spraying device.
根据循环式喷砂设备对组合阀的功能要求， 介绍了组合阀的结构和结构参数设计。
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