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pneumatic door: [1](2s):air hiss;[2](2s):air hiss;[3](2s):short air hiss;[4](2s):air release;[5](2s):air release;[6](2s):air release;[7](2s):air releaseSQ无损品质 | 1500:33下载 收藏
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气动门: 空气嘶嘶声和门幻灯片[1](5s);[2](5s);[3](4s);[4](3s);[5](3s);[6](2s);[7](2s);[8](2s)SQ无损品质 | 5700:47下载 收藏
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气动门: 空气嘶嘶声和门幻灯片, 短投[1](3s);[2](3s);[3](2s);[4](2s);[5](2s);[6](2s);[7](2s);[8](2s);[9](2s)SQ无损品质 | 2900:45下载 收藏
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[1](4s):large pneumatic door: slide open with short air release;[2](3s):large pneumatic door: slide open, no air noise;[3](15s):large metal pneumatic door: air releases and impacts;[4](7s):pneumatic door: air piston noise, closing impact and latch;[5](10s):pneumatic door: air piston noise, closing impact and latchSQ无损品质 | 1900:53下载 收藏
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pneumatic door: door [1](3s):mechanism, air;[2](2s):mechanism, air;[3](2s):movement, air;[4](2s):movement, air;[5](2s):impact, air;[6](1s):impact, air;[7](1s):impact, airSQ无损品质 | 1300:31下载 收藏
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pneumatic door: [1](6s):long air release;[2](3s):air release and door slide;[3](3s):air release and door slide;[4](2s):air release and door slide;[5](2s):air hiss;[6](2s):air hiss;[7](3s):air hissSQ无损品质 | 1000:38下载 收藏
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气动空气动力与橡胶密封门: 关闭[1](7s);[2](7s)SQ无损品质 | 500:20下载 收藏
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close up of door closer, air piston brake: door [1](2s):opening;[2](2s):opening;[3](4s):closing;[4](3s):closing;[5](3s):closingSQ无损品质 | 200:28下载 收藏
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关闭的闭门器, 空气活塞刹车[1](3s);[2](3s);[3](3s);[4](2s);[5](1s);[6](1s)SQ无损品质 | 100:28下载 收藏