rotary boom crane 旋转吊杆起重机
rotary boom awning 滚筒筛滤器
rotary range of boom 布料杆旋转范围
boom rotary clean-up boat 伸臂回转式清污船
rotary angle of each boom 各节臂架旋转角度
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.
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。
Floating crane structure mainly include boom, amplitude varying wire rope, tied back wire rope, truss frame, A-frame, counterweight box, rotating machinery base, and rotary bearing structure.
浮吊结构包括臂架、变幅钢丝绳、系固钢丝绳、桁框架、人字架、配重箱、回转底盘总成及回转支承等部件。
Up-loading System: Boom system, Rotary table, Slewing mechanism, Fixed turret, Landing leg.
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。
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