Traditionally, any exposed copper was plated with solder by hot air solder levelling (HASL).
传统上，任何接触焊铜镀锡热空气即(HASL)。
The instinct of a man is to pursue everything that flies from him! very well as nevertheless beinglso fly from hasl pursue him.
人的天性是追逐从他身边飞走的东西，却窜匿追逐他的东西。
The instinct of a man is to pursue everything that flies from him! very well as nevertheless beinglso fly from hasl pursue him.
人的天性是追逐从他身边飞走的东西，却窜匿追逐他的东西。
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