[国外标准] SAE AMS 4975J-2007 Titanium Alloy, Bars, Wire, and Rings 6.0Al - 2.0Sn - 4.0Zr - 2.0Mo - 0.08Si Solu
[国家标准] GB/T 4975-2018 容积式压缩机术语 总则
[化工行业标准] HG/T 4975-2016 C.I.溶剂红179
[国家标准] GB/T 4975-1995 容积式压缩机术语 总则