转动调节撑杆调节套使升降杆垂直于地面；
To turn the adjusting sleeve, make the mast vertically on the ground.
花乐公司主要生产花乐牌淋浴器，花洒，升降杆，软管，水龙头及淋浴屏等洁具系列产品。
Huale Company is a factory, which is specialized in manufacturing Huale Brand shower, showerhead, sliding bar, flexible hose, faucet and shower panel, and etc.
分系统的设计要求应和系统的总体设计目标相结合，文章针对天线、升降杆等几个重要分系统的结构设计进行了分析。
Design requirements of subsystems should be combined with the system design targets, the paper analyses the structure design of some important subsystems such as antenna and lifter.
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