| 1. | The magnet is not shown in the photograph . 照片中没有拍出电磁铁。 |
| 2. | A large electric magnet on a crane lifts the skull craper . 装在起重机上的一块大电磁铁提起破碎机。 |
| 3. | A large electric magnet on a crane lifts the skull cracker . 装在起重机上的一块大电磁铁提起破碎机。 |
| 4. | An instrument of the second type makes use of a metal reed kept in vibration by an electromagnet . 还有一种类似的装置,由电磁铁维持金属簧片不断振动。 |
| 5. | An instrument of the second type makes use of a mental reed kept in vibration by an electromagnet . 还有一种类似的装置,由电磁铁维持金属簧片不断振动。 |
| 6. | The electromagnets would require only an initial power input to start the current in their coils . 这种电磁铁只要馈入一个初始功率就能起动线圈里的电流。 |
| 7. | A large electric magnet on a crane lifts the machine 装在起重机上的一块大电磁铁将机器提起。 |
| 8. | U - shaped electric magnel technical requirments 蹄形电磁铁技术条件 |
| 9. | The electromagnetism of certain force had been calculated 对一定推力的比例电磁铁进行了计算。 |
| 10. | My electromagnet doesn t work 我的电磁铁不起作用怎么办! |