No stress measurements or crack surface samples were available for examination, only the surface crack configuration. 沒(méi)有應力測量或裂紋表面取樣可用于檢驗，只能依據表面裂紋圖形。
The decarbonizing layer and crack on the surface of peeled bright bars are removed effectively. 剝皮銀亮鋼被有效地除去了表面脫碳層和表面裂紋。
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