... lead alloy 铅合金 lead annealing 铅退火 lead antimonate 锑酸铅 ...
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... 铅浴回火 lead tempering 铅浴退火 lead annealing 直接铅浴处理 direct patenting ...
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lead bath annealing 铅浴退火
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Copper wire color (dark red or white) : continuous annealing in the work period of the line burn soft and pass cooling section after cooling can achieve lead not hot, without water.
铜线变色(暗红或发白)：连续退火在工作段把线烧软，还要经过冷却段冷却后才能达到引出线不烫、不带水。
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