| 1. | A current pulse is sent through the coil .
有一电流脉冲送入线圈。 |
| 2. | A shaft on the piston forms the armature of a coil .
活塞轴作线圈的衔铁。 |
| 3. | The magnetic signals are sensed by induction coils .
磁信号由感应线圈所检测。 |
| 4. | The burnt coil should be renewed .
烧穿的线圈应换新的。 |
| 5. | A linear differential transformer has three coils .
一个直线差动变压器有三个线圈。 |
| 6. | The successive coils are wound in alternate directions .
相邻的线圈是按交替的方向绕制的。 |
| 7. | If a coil has no metal core it has an air core .
如果线圈没有金属芯子，它就有一个空气芯子。 |
| 8. | Care must be taken to protect the focusing coils from stray magnetic fields .
必须小心，以防止聚焦线圈产生寄生磁场。 |
| 9. | The oscillatory current flowing in the coil produces an oscillating magnetic field .
流过线圈的振荡电流产生一个振荡磁场。 |
| 10. | We buried large coil beneath each of the eight-foot concrete footings .
我们把大线圈埋在每一个8英尺厚的混凝土底脚的下面。 |
