基本解释[材料科学]无缝铜管英汉例句双语例句We are now going for a new project of changing the existing copper pipe to seamless Carbon pipe. (MS) Our requirement will be several tons per month.我们现在进行将现有的铜管变成无缝碳管的新项目。我们每月都将需要几吨铜管。seamless copper pipe更多例句词组短语短语Seamless Copper -Nickel Pipe and Tube 无缝铜镍合金管seamless copper pipe更多词组专业释义材料科学无缝铜管