起重機吊重後提升和降落速度要均勻

qizhongjidiaozhonghoutishenghejiangluosuduyaojunyun。yanjinhumanhukuaiheturanzhidong。zuoyouhuizhuandongzuoyaopingwen
，danghuizhuanweitingwenqian，budezuofanxiangdongzuo。feizhonglixiajiangshiqi重機，嚴禁帶載自由下落。

qizhongjibudekaojinjiakongshudianxianzuoye，ruxianyuxianchangtiaojian，bixuzaixianlupangzuoyeshi，yingcaiquanquanbaohucuoshi，qizhongjidiaobiyujiakongdaoxiandeanquanjulibudexiaoyubiao２.１規定的距離。