Considering problem of the leading electrode of the Locomotive traction motor crack flaw, the eddy current testing method for leading electrode crack defect is researched in the paper.

针对机车牵引电机主极裂纹问题，本文深入地研究了用电涡流方法实现对主极裂纹检测的问题。

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The diesel locomotive still plays a leading role in Railway traction, and to improve the reliability of the use of diesel locomotives is imperative.

内燃机车仍在铁路牵引中起主导作用，提高内燃机车的运用可靠性势在必行。

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At this critical juncture, is Germany a locomotive that will pull the EU or euro zone out of its financial crisis, or is Germany leading them to bigger trouble ahead?

FORBES: While Europe Slides, Germany Plays Hardball On Financial Transaction Tax