raising gear 中文意思是什麼
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In addition for raising rise - and - fall - speed of goods when crane is in empty load and light load situation we need a improved double - speed - type transmission based on the original single - speed winch. using the differential planetary gear train that can do movement synthesis precisely can achieve this goal
另外為了提高起重機空鉤和輕載時的貨物升降速度，要求在舊型的單速卷揚機上進行改進實現雙速傳動，而利用差動行星輪系可進行運動合成的特點能達到這一目的。
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