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| 〔英制〕梯形螺纹 | |||
| 顶角为 29。 的美制梯形螺纹 | |||
| 艾克密螺纹; 英制梯形螺纹 | |||
| 平口螺纹; 爱克米螺纹 | |||
| |||
| 梯形丝扣; 梯形扣 | |||
| 爱克母螺纹; 英制梯形牙螺纹 | |||
| 梯形螺纹 | |||
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| 英制梯形螺纹 (顶角为29°) | |||
| 英制梯形螺纹顶角为29。 | |||
| Acme thread: 16 phrases in 4 subjects |
| Aviation | 2 |
| Mechanics | 2 |
| Oil / petroleum | 4 |
| Technology | 8 |
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