题目内容
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提问人:网友savling
发布时间:2022-01-07
[主观题]
电动机electromotor: 优点merit: 结构紧凑,操作简单,容易自动控制,安装维护费用低。Compact struc
ture, simple operation, easy automatic control, low installation and maintenance costs. 缺点shortcoming: 转速低,需要齿轮增速器;调速困难(可变频实现);启停冲击电网;对供电要求高,需双回路供电,投资大。Low speed, need gear speeders; Difficulty in speed control (variable frequency realization); Power grid impact; High demand for power supply, double circuit power supply, large investment.
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