虽然她表面上显得冷冰冰又很严肃，但她微笑的眼睛却流露出真诚的天性。
Although she often seems quite cold and harsh, her smiling eyes betray her true nature.
任何材料经过热切割后，必须进行表面清理直到露出材料底色为止。
Any material, which are cut by thermal process, must be dressed back to clean metal.
任何材料经过热切割后，必须进行表面清理直到露出材料底色为止。
Any material, which are cut by thermal process, must be dressed back to clean metal.
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