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[1](1s):very high, short motor squeal;[2](13s):high speed motor squeal, various movements;[3](13s):high speed motor squeal, various intensities;[4](13s):small motor: various starts and stops working on wood;[5](13s):small motor: various starts and stops working on wood;[6](43s):small motor: various starts and stops working on wood;[7](56s):large machine motor: various starts and stops working on wood;[8](4s):large motor: fast windupSQ无损品质 | 603:03下载 收藏
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[1](1s):punch press: single punch;[2](2s):machine bearings: short roll;[3](2s):small servo motor whine;[4](1s):large stapler: single stapleSQ无损品质 | 500:21下载 收藏