cylindrical taper drum的意思|示意

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圆柱颈桶

圆柱颈桶 ... 圆柱壳：cylindrical shell 圆柱颈桶：cylindrical taper drum 圆柱滚子轴承：cylindrical roller bearing ...

圆锥颈桶 ... 中开口桶 middling open drum 圆锥颈桶 cylindrical taper drum 异形顶桶 interrupted chimb drum ...