单词：synthetic cast iron
单词：synthetic cast iron 相关文章
I once caught a very big fish with this. 我曾经用这个钓到过一条大鱼。 Now I want you to have it. 现在，我希望把它给你。 It will bring you luck. 它会给你带来好运的。 I'm a real fisherman now. 我现在是一个真正的
天才宝贝熊
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The common method of closing a surgical incision is simply to stitch the patient up. There are some issues, though. Good stitching can be challenging,
Scientific American(四)月
SYDNEY: All molecules are not created equal. Some have saved billions of lives, wreaked environmental havoc or made the world a more colorful place. Here's our selection of those that have changed the course of human history。 发自悉尼：分子并
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Cast Iron Revival Keeps US Foundry Cooking Tucked between the Tennessee River and the hills of Marion County lies the small town of South Pittsburg, Tennessee. Home to just 3,200 people, it has one claim to fame: a metal foundry called Lodge Cast Iro
VOA标准英语2011年(七月)
Danny: Youre going to the prom . How exciting! How should we style you hair? Clarissa: Im really not sure. I was hoping you would have some ideas. Danny: I do, but first we need to see if we have the right tools. Lets look in your bathroom. Heres som
地道美语播客
iron and steel industry 钢铁工业 ironworks 铁厂 foundry 铸造车间 steelworks, steel mill 钢厂 coking plant 炼焦厂 electrometallurgy 电冶金学 powder metallurgy 粉末冶金学 blast f
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