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...
Cut - and - paste tools include all lassos, marquees, clones, drags, and other repositioning tools.剪切和粘贴工具包括所有的套索, 如选取框 、 克隆 、 拖动及其他重定位工具.A group of surfer clones at the bar were telling a story.酒吧里一群衣着相似的冲浪者正在讲故事.There ...