Silfbronze
西尔夫黄铜, 含锡镍 4Silfbronze6黄铜
🗣️ 情景例句
You made a favorable impression on the examiners.
你给主考留下了很好的印象。
Donald will associate one fact with the other.
唐纳德可望把一个事实和另一个事实连结起来。
So, ask businesses on both sides of the Atlantic, why have two lots of tests where one would do?
因此，大西洋两岸的企业都在问，当一套测试可以解决问题时，为什么需要两套呢？