The pill initial position efficiency peak value is defined as the distance between pill front end and coil end.

弹丸初始位置定义为弹丸前端与线圈末端间的距离，习惯上把其处于线圈外时效率峰值定义为负。

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The invention provides a reliable rotor commutator welding method, including the steps: the coil end heads of the upper coil and the lower coil are welded through the argon-arc welding;

本发明提供一种焊接可靠的转子换向器焊接方法，包括如下步骤：将上 层线圈与下层线圈的绕组端头通过氩弧焊焊接成一体；

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Coil the end of the string round your finger.

把这带子的末端绕在你的指头上。

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The end of each coil extended out to touch a hardened part of the insect's body close to its wing base where it could pick up energy.

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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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