タグ「worm」のついた年表
Worm wheel factory
When the casting worm wheel factory is heavy, the wall is thick, and the pouring temperature is high, the resin with high furfuryl alcohol content and low urea formaldehyde content should be selected to make the high-temperature strength.
- できごと(0)
- by bushingcast
- at 2020/06/19 16:03
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