cast iron straigjht edge的意思|示意
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铸铁直边
cast iron straigjht edge的网络常见释义
铸铁平尺 岩石平板granite surface plate 铸铁平尺cast iron straigjht edge 钢平尺和岩石平尺steel and granite straigjht edge11.圆度仪roundness measuring instrument .
生铁平尺 ... 片岩平板 granite su*ce plate 生铁平尺cast iron straigjht edge 圆度仪 roundness measuring instrument ...