英制螺纹 | |
el.mach. | Whitworth thread |
螺 距 | |
mech. | pitch |
螺距 | |
hydroel.st. | thread pitch |
met. | lead |
oil | flight lead |
space | screw pitch |
范围 | |
math. | coverage |
| |||
Whitworth thread | |||
English screw; inch screw thread; inch system screw thread; inch thread |
英制 螺纹: 11 phrases in 5 subjects |
Automobiles | 1 |
Electric machinery | 3 |
General | 2 |
Oil / petroleum | 1 |
Technology | 4 |