针对该网架的工程特点及现场的具体情况，决定采用绞磨拔杆整体吊装方法。
According to engineering characters and concrete situation the winching and rocker integral hoisting method is adopted.
其特点是在原物料输送绞龙的螺旋推进板外边缘加装搅拌叶片或杆。
The utility model is characterized in that a mixing blade or a rod is added on the outer edge of a spiral propelled plate of an original material conveyor.
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