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强度高，使用寿命长，耐温可达300摄氏度以上不变形。
High strength, long service life, the temperature can reach 300 degrees Celsius and above deformation.
youdao
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强度高，使用寿命长，耐温可达300摄氏度以上不变形。
High strength, long service life, the temperature can reach 300 degrees Celsius and above deformation.
youdao