颜色对比强烈，很容易被人发现，从而找出故障隐患。
Further, the contrast of color is so strong that you could find the hidden trouble easily.
让老旧飞机搁浅的一件事就是飞机铝构造因为金属疲劳产生的故障隐患。
One thing that does ground old aircraft is the impending failure of their aluminium structure from metal fatigue.
任何忽视电路保护设计的电气或电子产品都埋藏了故障隐患。
Any ignore that the electric or electronic product that the circuit protection designs has all hidden malfunction hidden trouble.
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