The utility model has the advantage that artificial or natural bait can be added in the fixed covers (2, 3) to cause effect on sticking the flies to be enhanced.
本实用新型的优点是：可在固定罩（2、3）内添加人工或天然引诱物，增强粘蝇效果。
The utility model has the advantage that artificial or natural bait can be added in the fixed covers (2, 3) to cause effect on sticking the flies to be enhanced.
本实用新型的优点是：可在固定罩（2、3）内添加人工或天然引诱物，增强粘蝇效果。
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