document.write("圆柱齿轮45×2.SLDPRT 330.95 KB底座.SLDPRT 145.04 KB底座1.SLDPRT 142.27 KB摇杆.SLDPRT 41.98 KB蜗杆1×2.SLDPRT 603.32 KB蜗轮35×2.SLDPRT 2.11 MB装配仿真.SLDASM 1.03 MB长杆.SLDPRT 65.26 KB齿轮架.SLDPRT 194.35 KB风扇摇头机构.STP 3.30 MB");