主要作用：完成混凝土的输送并支撑整车，保证其稳定性。

Main function: Complete the concrete delivery and placing which support the vehicle to ensure its stability.

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此单元组包括投掷并完成混凝土制品，操作机器挤压，制模，按压和烘烤粘土制品，操作机器构型和切割并完成石材产品的工人。

This unit group includes workers who cast and finish concrete products, operate machines to extrude, mould, press and bake clay products, and operate machines to form, cut and finish stone products.

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上装组成部分：臂架系统、转台、回转机构、固定转塔、支撑支腿等。主要作用：完成混凝土的输送并支撑整车，保证其稳定性。

Up-loading System: Boom system, Rotary table, Slewing mechanism, Fixed turret, Landing leg. Main function: Complete the concrete delivery and placing which support the vehicle to ensure its stability.

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