单词：stainless steel fertillizer belt
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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
新派英语第五册
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
2018年NPR美国国家公共电台10月
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
高频英语口语对话
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