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零部件经过热处理，强度高，耐磨性好。
Components are under heat treatment. high impact and good abrasion resistance.
youdao
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气泡的宽度对零件的强度也有一定影响。
The width of the gas bubble also influences part strength.
youdao
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气泡的宽度对零件的强度也有一定影响。
The width of the gas bubble also influences part strength.
youdao