The police say he swallowed a cyanide capsule to avoid arrest.警察说他为了逃避逮捕就吞了一颗氰化物胶囊。Someone had fed him a lethal dose of cyanide.有人给他下了致命剂量的氰化物。Cyanide is used to kill insects.氰化物可用来杀害虫....
The research results of recovering copper by electrowinning from concentrated cyanide solution were described.叙述了从富集氰化废液中电解回收铜的试验研究结果.Zinc base die castings are always copper plated in cyanide baths.锌基合金的压铸件总是在氰化镀液中镀铜.Th...