定滑輪信息

    dinghualundezhongxinzhougudingbudong。dinghualundegongnengshigaibianlidefangxiang
，danbunengshengli。dangqianlazhongwushi，keshiyongdinghualunjiangshilifangxiangzhuanbianweirongyichulidefangxiang。shiyongdinghualunshi，shiliqianladejulidengyuwutishangshengdejuli
，bunengshengliyebufeili。shengsuoliangduandelalixiangdeng，suoyi
，shuchulidengyushuruli
，bujimocashi，dinghualundejixiexiaolvjiejinyu1。