built-up crankshaft web的意思|示意
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组合曲轴腹板
built-up crankshaft web的网络常见释义
组合式曲轴臂 ... full built-up crankshaft 全组合曲轴 built-up crankshaft web 组合式曲轴臂 semi-built-up crankshaft 半组合曲轴 ...