铁 、 镍 、 铜, 银 、 金, 铱或钌,可用作复合催化剂金属.Iron, nickel, copper, silver, gold, iridium , or ruthenium may be included as cocatalyst metals.使用同样方法, 铱被熔合与铑.Using the same approach, iridium is alloyed with rhodium.铱系统与AMPS系统之比较 ( 续 )...
Its nozzle was smeared with some kind of lubricant.它的喷嘴抹了某种润滑油。I think humor is a great lubricant for life.我认为幽默是人生的上好润滑剂。Most mechanical devices require oil as a lubricant.绝大多数机械装置都需要用油作为润滑剂。...
我们仅能依稀辨出桥下一条杂草丛生的窄沟。Below the bridge we could just discern a narrow, weedy ditch.当人造花和自然花对比时, 你几乎不能辨出真假.When the artificial flowers are contrasted with natural ones, you can hardly tell the difference.重要的是要甄辨出嫉妒情绪并尽早消除这种...
He has demonstrated a strong preference for being shod in running shoes.他给人的感觉是特别偏爱穿跑步鞋。She turned on her elegantly shod heel.她突然转身，迈开穿着雅致的皮鞋的双脚离去了。It's best for children's feet to be shod with real leather.最好用...