单词：stainless steel seamless thin-wall tube
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00:00.00]Unit 7 Just Imagine! [00:06.37]2.Listen and sing. [00:18.79]Oh,do you know what this might be,What this might be,what this might be? [00:32.22]Oh,do you know what this might be?It's so strange and so big. [00:39.96]Oh,yes,I know what that mi
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US boat manufacturers are facing higher prices for raw materials and parts because of tariffs implemented by the Trump administration. The National Marine Manufacturers Association has called the tariffs a disaster for America's recreational boating
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AS IT IS 2016-08-25 For People Too Busy to Garden, FarmBot Can Help In a small home garden, about 1.5 meters wide and 3 meters long, a robotic device called the FarmBot is busy planting vegetable seeds. The FarmBot will control the soils moisture, wa
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China's first batch of steel wires for making 2.3-mm ballpoint pen tips recently rolled off the production line of Taiyuan Iron And Steel (Group) Co., Ltd. (TISCO), marking a breakthrough in the domestic production of stainless steel balls for ballpo
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购买炊具 dialogue 英语情景对话 A:I'd have a look at some pots and pans. A:我想看看有什么炊具。 B:We've got several kinds. All are made of different materials. B:我们有好多种产品，材料各不相同。 A:What kind is most
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Why Stainless Steel Does Not Rust But Other Metals Do? 不锈钢（Stainless Steel）指耐空气、蒸汽、水等弱腐蚀介质和酸、碱、盐等化学浸蚀性介质腐蚀的钢，又称不锈耐酸钢。实际应用中，常将耐弱腐蚀介质
英语听力文摘 English Digest