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[期刊论文] 作者:Wang Qingfeng,He Lidong, 来源:高技术通讯:英文版 年份:2018
The effects of the rotational speed on the fluid-induced force characteristics of a straight-throughlabyrinth gas seal (STLGS) are numerically investigated using...
[期刊论文] 作者:NIE Yong WANG Qingfeng, 来源:中国机械工程学报 年份:2009
Switch electro-hydraulic proportional amplifier(PA) widely employs single switch modulation power driving(SSMPD) or reverse discharging power driving(RDPD) at p...
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