Regarding to the dynamic balance problems encountering in rotary parts installation a method of rotor dynamic balance on construction site is introduced in detail to escape laboratory balance.
回转另部件在安装时有时会碰到动平衡问题，一般是送平衡实验室在平衡机上做平衡，详细介绍了在安装现场、在转子自身轴承中做平衡的方法。
I did not really understand this until I ran into some serious dynamic blade balance problems.
我一直没有真正理解这一点直到有一次遇到严重的大浆动态平衡问题。
The purpose of the study is to analyze problems of dynamic balance of total amount of cultivated land in Beijing and thus provide scientific basis for land use planning.
研究目的分析北京市耕地占补平衡面临的问题，为编制北京市土地利用总体规划提供依据。
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