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字词 焊丝
释义 焊丝hànsī气焊或电焊时熔化填充在工件接合处的金属丝。焊丝的表面不涂防氧化作用的焊剂。{solder wire; welding stick; wire that is melted to fill the joints of metalwork during gas welding or electric welding, the surface of which is free of oxidation-proof welding flux}
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更新时间:2025/1/15 18:55:14