iCAx开思网
标题:
管螺纹npt1/4和pt1/4有什么不一样?
[打印本页]
作者:
miaosu
时间:
2004-6-11 13:19
标题:
管螺纹npt1/4和pt1/4有什么不一样?
欢迎光临 iCAx开思网 (https://www.icax.org/)
Powered by Discuz! X3.3