<span><span style、" font-family: 宋体;">安全锁和限位开关的安装</span></span>
<span><span style、" font-family: 宋体;">架体结构安装</span></span>
<span><span style、" font-family: 宋体;">提升机的安装</span></span>
<span><span style、" font-family: 宋体;">悬吊平台的安装</span></span>
<span><span style、" font-family: 宋体;">悬挂机构的安装</span></span>