该型吊机有变幅、折臂、伸缩、回转、升降5个动作，作业范围较大，存放空间小。液压泵站可集成在吊机本体上，结构紧凑。
This type of crane has luffing, folding arm, telescopic, rotating, lifting five movements, a large operating range, small storage space. Pump stations can be integrated in the crane body, compact structure.
