plastic butterfly 中文意思是什麼
plastic butterfly
解釋
膠蝴蝶,膠托-
However, before i arrived, i felt a breeze around the bump on my elbow, which was caused by a crazy butterfly of a big breed, as it tried to land on a small bunch of flowers pinned to the breast of a beautiful bride, who was inside a big plastic bubble
可是,我還沒走到那裡,就感覺肘部隆起的腫塊周圍一股微風,肇事者是只瘋狂的蝴蝶,個頭很大的那種,它正打算落到一小束花上,那花兒別在一個漂亮的新娘的胸前,新娘裝在一個大大的塑料泡里。 -
4. analyzing the seal structure of butterfly valve the evolution process of butterfly valve ' s seal structure is analyzed in detail by using the theory of technology evolution. two improved design blueprints are advanced : magnetic field seal butterfly valve and foam plastic butterfly valve, which obtain the ratification of the factory of shijiazhuang valve
蝶閥密封結構分析應用技術進化理論對蝶閥密封結構的進化進行了分析,並提出了兩種改進設計方案:磁場作用密封蝶閥和泡沫材料蝶板的蝶閥,為蝶閥的密封結構提出了新的工作原理,得到了石家莊閥門一廠的認可。
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