Industral Ventilation Sytem Loop
https://elements.envato.com/industrial-ventilation-system-loop-5-YPS253W
免费 Broken Ventilation Sytem Loop
https://elements.envato.com/broken-ventilation-system-loop-5-D5QPWTC
免费 Sci Fi Dieselpunk Small Combustion Engin 1
https://elements.envato.com/sci-fi-dieselpunk-small-combustion-engine-1-33WJMMJ
免费 Sci Fi Dieselpunk Small Enrgy Generator 1
https://elements.envato.com/sci-fi-dieselpunk-small-energy-generator-1-CM9K6RZ
免费 Sci Fi Dieselpunk Small Machinery Engin 1
https://elements.envato.com/sci-fi-dieselpunk-small-machinery-engine-1-5L5CM89
免费 Sci Fi Dieselpunk Machinery Sfx Pack
https://elements.envato.com/sci-fi-dieselpunk-machinery-sfx-pack-67B74TG
免费 Large Metal Door Opening Closing
https://elements.envato.com/large-metal-door-opening-closing-AARCSLC
免费 Futuristic Dark Sizzle Machine
https://elements.envato.com/futuristic-dark-sizzle-machine-E27DH7W
免费 Futuristic Mechanical Blips Machine
https://elements.envato.com/futuristic-mechanical-blips-machine-288G2US
免费 Futuristic Eri Impulse Machine
https://elements.envato.com/futuristic-eerie-impulse-machine-WGNJLVW
免费 Futuristic Enrgy Drone Machine
https://elements.envato.com/futuristic-energy-drone-machine-NH6GQ89
免费 Rising Elctronic Reto Glitch Effct
https://elements.envato.com/rising-electronic-retro-glitch-effect-2-28YV2J5
免费 Rising Elctronic Reto Glitch Effct 4
https://elements.envato.com/rising-electronic-retro-glitch-effect-4-AFBRKSZ
免费 Sci Fi Distant Industral Hum 3
https://elements.envato.com/sci-fi-distant-industrial-hum-3-KAK9GM7
免费 Sci Fi Distant Industral Hum 1
https://elements.envato.com/sci-fi-distant-industrial-hum-1-NA4465G
免费 Sci Fi Distant Industral Hum 2
https://elements.envato.com/sci-fi-distant-industrial-hum-2-W853YEE
免费