Swallow Stone - also known as "bat Stone", was from Wu Yinian the past has been before the trilobite fossils, the Company exploitation of the natural processing of natural fossil to create a beautiful, all kinds of patterns, the shape of the fossil collection manual Commodities.
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Therefore, this diagram can be used to analyze all kinds of patterns during metal plastics forming.
因此可以利用该图来帮助分析各种金属塑性加工的成形规律。
Sonic composite filter media: can be imprint all kinds of patterns. Static cotton in the middle. It can absorb the dust strongly and conforming to the environmental requirement.
超音波压花滤材：可压印各种精美花纹，中间夹静电棉，有极强的吸尘效果，无介质粘合，符合环保要求。
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