draught spring 中文意思是什麼
draught spring
解釋
拉力彈簧-
Suitable for producing double twist spring, straight spring, pagoda - shaped draught spring, rectangular spring, wires with various shapes, volute spring and other special - shaped springs
五、適用於生產雙扭簧、直形簧、寶塔拉簧、矩形簧、線材成形、鋼皮渦簧及各種花式簧、異形簧等。
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