rack wheel with helical tooth的意思|示意
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带螺旋齿的齿条轮
rack wheel with helical tooth的网络常见释义
螺旋齿轮 ... Rack dolly with handle 不锈钢手柄杯筐推车 rack wheel with helical tooth 螺旋齿轮 Over-Rack Platform With Frames 阁楼式货架 ...