Episode 5 完全机械手册 1 5 3516872 0 A logging machine that cuts and stacks 4,000 trees a day; a hovercraft is redesigned into a rescue vehicle; a high-speed industrial loom weaves thread 2,000 times a minute; a remote controlled microdrone takes pictures and lands on i 0 0001-01-01 0001-01-01 false 0 2023-12-26 11:53:59 第 5 集 tt1811023 TV NONE HDJ.How.Machines.Work.EP05.2008.HDTV.720p.x264.AAC-jack821309.strm Episode 5