在检查电路时，应重点检查电线的绝缘层是否发生软化、老化、裂损。
In a circuit, check key check whether the insulation wiring occurs, aging, soften crack damage.
本文就16240Z型柴油机气缸盖的裂损情况作了分析，指出不同位置裂纹的起因。
This paper describes the analysis of the cylinder head cracks on 16240Z type diesel engines and discusses the originated cause of these cracks created at different locations.
探讨了用超声波技术对运用机车柴油机钢顶铝裙活塞裙部裂损进行提前预防的措施和方法。
The precautionary measures to prevent skirt from fracturing, by means of ultrasonic flaw detection technology, are discussed.
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