使用者可以按准确的比率将材料和添加物混合，以防止理化特性变质。
A user can mix the material and additive at a precise ratio, thus preventing their chemical and physical properties from deteriorating.
使用者可以按准确的比率将材料和添加物混合，以防止理化特性变质。
A user can mix the material and additive at a precise ratio, thus preventing their chemical and physical properties from deteriorating.
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