2"x20'G.I pipe schedule 40是什么东西
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解决时间 2021-11-17 07:33
- 提问者网友：星軌
- 2021-11-16 17:39
2"x20'G.I pipe schedule 40是什么东西
最佳答案
- 五星知识达人网友：英雄的欲望
- 2021-11-16 18:29
Industrial pipe thicknesses follow a set formula, expressed as the "schedule number" as established by the American Standards Association (ASA) now re-organized as ANSI - the American National Standards Institute. Eleven schedu。
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