unprocessed material quality
unprocessed material quality
未加工材料质量
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Wood packing material is frequently a high risk pathway for the introduction and spread of pests because it is usually made of unprocessed, low quality wood.
木质包装材料经常是有害生物传入扩散的高风险途径，因为其通常由未加工、质量差的木材制成。
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