10.7.1 设计＝扩散式外缘（Spread trap） 10.7.2 设计嵌入式外线（Choke trap）
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spread trap
传播的陷阱
以上为机器翻译结果，长、整句建议使用 人工翻译 。
When the bees walk through the trap they pick up some of the powder which is then spread around the hive.
BBC: NEWS | Science/Nature | Sticky bees combat insect pests
It aims to trap toxic free radicals, the highly reactive molecular fragments that are believed to spread damage several hours after a stroke.
FORBES: Brain Repair
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