单词:spread blade bevel gear cutter
[网络] 螺旋伞齿轮切削刀盘
单词:spread blade bevel gear cutter 相关文章
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Chapter 27 A story Once upon a time in an old forest, there was a poor wood cutter cutting wood by the lake. One day, his axe accidently fell into the lake. The poor wood cutter didnt know how to swim, so he could do nothing but sat by the lake and p
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