 |
| English | Chinese |
| American Standard internal straight pipe threads | 美国标准直管内螺纹 |
| American Standard straight pipe thread | 美国标准美制直管螺纹 (national pipe straight thread) |
| standard error | 基本误差 |
| standard pitch | 【电】标准绕距 |
| standard pitch | 标准〔螺〕距 |
|
| English | Chinese |
| American Standard internal straight pipe threads | 美国标准直管内螺纹 |
| American Standard straight pipe thread | 美国标准美制直管螺纹 (national pipe straight thread) |
| standard error | 基本误差 |
| standard pitch | 【电】标准绕距 |
| standard pitch | 标准〔螺〕距 |