A process for acid lead free tin - bismuth alloy electrodeposition was advanced.提出了一种酸性锡铋合金电沉积工艺.The high quality No.1 negative pole copper is produced by leaching - extraction - electrodeposition method.采用浸出 - 萃取 - 电积工艺...
To coat or cover with a thin layer of metal by electrodeposition.用涂料,金属等的稀少外层覆盖.A process for acid lead free tin - bismuth alloy electrodeposition was advanced.提出了一种酸性锡铋合金电沉积工艺.The high quality No.1 negative pole copper ...
我们如果在这样酷热的阳光下待久了,皮肤会晒黑的.We'll fry if we stay too long in this hot sun.她穿了一件白色 T 恤以显示其晒黑的肌肤.She wore a while T - shirt to show off her suntan.久旱不雨、拥挤的沙滩、晒黑的皮肤、栎叶毒漆树、麦当劳快餐馆.Drought . Crowded beaches . Sunburn . Poison...
锑的百分含量由各蓄电池生产厂自己掌握.The percentage of antimony may be left to the battery manufacturer.我国盛产锑.Antimony abounds in out country.锑能增加铸件的硬度.Antimony adds to the rigidity of the casting....
They were waited on by a manservant.有一名男仆为他们服务。Later in Churchill's life , a manservant stood up to him.后来有一次, 一位男仆顶撞了邱吉尔.Austen died in 1817, and after Cassandra's death in 1845 the table was given manservant....