《表5 单台缸盖进、排气道砂芯材料成本对比Tab.5 Intake and exhaust channel sand core material cost comparwason of cylinde

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表1 列出气缸盖进、排气座、导管孔加工形位公差图纸要求及加工检测结果对比

表1 列出气缸盖进、排气座、导管孔加工形位公差图纸要求及加工检测结果对比

Table 5:Tensile strength of sand core with optimal proportion (MPa)

表5 信道参数Tab.5 Parameters of channels

表5 R、G通道经ICA后相关性分析结果Tab.5 Correlation analysis of R and G channel signals after ICA

表1 有框砂芯工艺和无框砂芯工艺的成本对比情况Tab.1 Cost comparwason between frame core process and frameless core process