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1.绪言随着张丝支承的进一步改善,作为主要结构元件的张丝,在测量仪表制造中增加了其重要性。张丝制造者和测量仪表制造公司都希望
1. INTRODUCTION With the further improvement of the support of the filaments, the filaments, which are the main structural elements, increase their importance in the manufacture of measuring instruments. Wire manufacturers and measuring instrument manufacturing companies are hoping