擰緊風力渦輪機上的葉片 by sitesALIVE! | 11 月 14, 2016 | Video Posts (TW) https://youtu.be/px4GWor9oWAVideo can't be loaded because JavaScript is disabled: Tightening the Blades on the Wind Turbine (https://youtu.be/px4GWor9oWA)
