Some Cu - Al structures used in thermal exchangers may lead to galvanic corrosion.铜铝结构热交换器存在着电偶腐蚀的倾向.The actue toxic effect of heavy metal Cu ~ ( 2 + ) to Stentor Polymorphrus ( Ciliophora, Heterotrichida ) was studied.研...
Instantly, all the rest fell to dancing, and the court - yard overflowed with the Carmagnole.有几个人开始跳起舞来, 有的人便立即响应.院子里回荡起卡尔马尼奥拉歌的曲调.This was the Carmagnole.这就是卡尔马尼奥拉舞....