国外阀门材料常用技术标准 阀门、法兰和管道配件用灰铁铸件 米制当量值
英寸[in] | 1/8 | 1/4 | 1/2 | 3/4 | 7/8 | 11/8 | 1.2 | 19/32 | 11/2 | 13/4 | 23/4 | 13 |
毫米[mm] | 3.2 | 6.4 | 12.7 | 19.0 | 22.2 | 28.6 | 30.5 | 32.5 | 38.1 | 44.4 | 69.8 | 1330 |
This region has not yet joined our new website. You will now continue to the existing site for 网站名称