As one of the leading companies in this field, DSD-Noell achieved many worldwide well-known hydromechanical projects and supplied hydraulic and electric systems.
作
业内的领头企业之一，承担过世界上很多著名液压、水工项目的总承包以及液压电气系统的供货。
学的As one of the leading companies in this field, DSD-Noell achieved many worldwide well-known hydromechanical projects and supplied hydraulic and electric systems.
作业内的领头企业之一，承担过世界上很多著名液压、水工项目的总承包以及液压电气系统的供货。
It explains the reason of gentle breeze syntony about sustained tubate generatrix in hydromechanical viewpoint,and puts forworld several methods for avoiding gentle syntony.
用流体
学的观点解释了管母线发生微风振动的原因,并提出了防止和消除微风振动的几种方法。
声明：以上例
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