在介绍感应电动机软起动系统硬件结构的基础上，采用故障树分析法对其作了可靠性的定性分析。
Qualitative analysis of induction motor soft-starting systems reliability was carried out, based on the introduction of its hardware diagram.
目前轮椅车前轮举起动作的训练方法，主要有床架法和借助法两种。
There are two training methods of lifting up caster of the wheelchair.
一般异步电动机起动电阻的计算方法，无论是作图法或解析法，往往都需要多次尝试。
As a normal calculation method for asynchronous motor starting resistance, whether diagram drawing or analytics, usually there should be many trials.
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