建议用量：可根据韧性要求，兼顾成本，适量增减(5 - 20%)。
Dosage: According to toughness requested, looking after both side the cost, increasing or decreasing properly (5-20%).
建议用量：可根据韧性要求，兼顾成本，适量增减(3 - 10%)。
Dosage: Suggestion dosage: According to toughness requested, looking after both side the cost, increasing or decreasing properly (3-10%).
建议用量：可根据韧性要求，兼顾成本，适量增减(5 - 25%)。
Suggestion dosage: According to toughness requested, looking after both side and the cost, increasing or decreasing properly (5-25%).
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