The basic principle of eddy current testing is introduced and the coil impedance responses due to the variations of the probe coil lift-off are analyzed and studied.

简要介绍了涡流检测的基本原理和涡流探头的特性； 分析和研究了涡流检测探头提离变化对阻抗的影响；

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So that the end of the spool comes off and the coil can be removed.

这样的结束阀芯脱落后的线圈可以被删除。

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Driven through the solenoid valve coil, only on or off, the switch moves a short time.

电磁阀通过线圈驱动，只能开或关，开关时动作时间短。

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He only had one argument not to kill himself: "To sleep, perchance to dream, for in that sleep of death what dreams may come when we have shuffled off this mortal coil might give us pause."

他只有一个不自杀的理由：,“入睡，偶尔作梦，因为在沉睡中，什么梦都会出现,我们可以从中暂时摆脱尘世的烦恼”

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And when we are about to shuffle off this mortal coil, we want to be able to say what we did in life made a difference.

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The stock retested resistance before backing off and extended the large descending coil, which was finally broken with a thrust at the end of November.

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