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。
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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