单词：free-cutting stainless steel
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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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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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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