首先是皮肤的最外层被烤熟，直到表面着火后就开始剥落。

First, the thin outer layers of skin fry and begin to peel off as the flames dance across their surface.

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导致剥落的疲劳裂纹开始于表面缺陷和氮化层与心部交界处。

Cracks leading to spalling were initiated at surface defects and boundaries between nitriding layes and the core.

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导致剥落的疲劳裂纹开始于表面缺陷和氮化层与心部交界处。

Cracks leading to spalling were initiated at surface defects and boundaries between nitriding layes and the core.

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