 |
| Chinese | English |
| 亚克米英制29°梯形螺纹 | acmi screw thread |
| 圆柱形管螺纹 | national standard straight pipe thread |
| 英制梯形螺纹 | Acme thread |
| 美国标准圆柱形管螺纹 | thread (= American standard straight pipe thread) |
| 美国标准锥形管螺纹 | American standard taper pipe thread |
| 英制梯形螺纹 | acme |
| 圆锥形螺纹 | taper-thread |
|
| Chinese | English |
| 亚克米英制29°梯形螺纹 | acmi screw thread |
| 圆柱形管螺纹 | national standard straight pipe thread |
| 英制梯形螺纹 | Acme thread |
| 美国标准圆柱形管螺纹 | thread (= American standard straight pipe thread) |
| 美国标准锥形管螺纹 | American standard taper pipe thread |
| 英制梯形螺纹 | acme |
| 圆锥形螺纹 | taper-thread |