音效素材

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https://tu.douyin766.com/2020/04/1587907803-99a9135f182a840.mp3锤木声

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https://tu.douyin766.com/2020/04/1587909229-6643f22edbbe231.mp3电锤声

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https://tu.douyin766.com/2020/04/1587909362-a7b7ae3aea98465.mp3铲车声

https://tu.douyin766.com/2020/04/1587908001-6b0c1ce498c8151.mp3路面切割机声

https://tu.douyin766.com/2020/04/1587909479-b9b37059b932ac8.mp3手持转床声

https://tu.douyin766.com/2020/04/1587908100-12b2af76341d5db.mp3装载机声