| 1. | Double-headed arrows are used to indicate resonance .
双箭头用来表示共振。 |
| 2. | Nuclear energy remains a double - headed creature
核能依然是一种有利也有弊的能原。 |
| 3. | The study of the new type double - head tow spreader
新型双头铺丝机的研究 |
| 4. | Cultural techniques on double - head mushroom production
双孢菇栽培技术 |
| 5. | Railwau fixed equipment . sleeper screws for double - head rails
铁路固定设备.双头钢轨用枕木螺钉 |
| 6. | Product name : double - head grinder
名称:树脂金刚石锯片 |
| 7. | Automatic double - head milling machine
自动双轴铣床 |
| 8. | Rest the pen above the insertion point until a double - headed arrow appears
把笔停在插入点上，直到一个双箭头出现。 |
| 9. | , standard guide for abrasion resistance of textile fabrics rotary platform , double - head method
纺织品耐磨性的标准试验方法 |
| 10. | Standard test method for coated fabrics abrasion resistance rotary platform , double - head abrader
涂层织物耐磨性的标准试验方法 |
