compact winch 跟 electric winch 有什么区别

Scheduling winch什么意思 winch dyeing是什么意思 compact.pact,protocol有什么区别? compact和treaty有什么区别啊? 请问electric 和electrical 有什么区别? electric和electrical有什么区别? electric, electrical, electricity有什么区别 electric和electricity之间有什么区别? there is no power for the winch和something has gone wrong wit electric和electrical有什么区别?家用电器是electric appliance还是electrical electronic,electric,electrical有什么区别正确说明 electric ,electrical,electronic这三个单词有什么区别?