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超音波驅鳥器 --- 應該沒啥用 ... http://www.ped.jjvk.com/phpbb/viewtopic.php?f=10&t=586 |
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發表人: | mimiba [ 2012-10-01, 15:24 ] |
文章主題 : | 超音波驅鳥器 --- 應該沒啥用 ... |
http://www.propacificpestcontrol.com/20 ... technique/ 引言回覆: So before you buy an ultrasonic bird scaring device costing several hundred dollars, remember this general rule: most birds hear about as good as you do—even with your middle-age hearing loss!
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發表人: | mimiba [ 2012-10-01, 15:29 ] |
文章主題 : | Re: 超音波驅鳥器 --- 應該沒啥用 ... |
http://www.pestproducts.com/bird.htm |
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