After annealing copper red: continuous annealing three sections: preheating section, the work piece, cooling section.
铜线退火后发红：连续退火分三个段：预热段，工作段、冷却段。
Continuous roller hearth furnaces for the heat treatment of steel, stainless steel, copper and copper alloy bars, sections and pipes.
钢，不锈钢，铜及铜合金的棒，零件和管的热处理连续辊底式炉。
Polyurethane anti-vibration pads are arranged between a plurality of sections of bushes, and the bushes are copper padding thread weaving enamel line gilding bushes.
多节套筒之间设有聚氨酯减振垫，套筒为铜胎掐丝珐琅纹镀金套筒。
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