"Ephraim port" brand riveting screw tubes can be widely used in various industries, has firmly, beautiful, convenient, quick characteristic.
“莲港牌”铆螺管可以广泛地使用在各个行业，具有牢固，美观，方便，快捷的特点。
This paper researches into enhanced heat transfer of condensation of splitting gas of waste plastics and R113 on the general smooth tubes, the screw tubes and the aculei finned tubes.
本文研究制冷剂r 113和废塑料制汽油过程中产生的裂解气在水平光滑管、螺纹管与“犁刺”管上的冷凝强化传热。发现“犁刺”管的制冷传热效果约为光滑管的14倍，为螺纹管的10倍。
For carbon steel, stainless steel, plating steel and all kinds of non-ferrous metal rods, tubes, the sheet metal, screw the spot welding and welding until the row.
可进行碳钢、不锈钢、电镀钢及各种有色金属的线材、管材、板料，螺钉等到的点焊和排焊。
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