手扶拖拉机绞磨是在手扶拖拉机原有的结构基础上改制而成。主要用途和特点：适用于在平原地区线路施工中组立杆塔，牵引吊装重物。具有机动灵活，制动可靠的特点。
实现止动是电力机动绞磨用变速箱设计必须满足的工作要求。
Two directional stop is necessary to gearbox's design of power-driven winching at electric power industry.
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.
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