Variable speed hydraulic drive system is a new type energy saving system.
变转速液压驱动系统是一种新型的节能传动系统。
The valve is the new type energy saving high efficient product designed on the base of introducing technology of Japan.
百叶窗式风量调节阀是公司在引进日本技术的基础上，消化研制的一种新型节能的高效产品。
Mainly introduced the principle and construction characteristics of HRM vertical mill for new type energy saving limestone grinding equipment.
重点介绍了新型节能石灰石粉磨设备hrm型立式磨机的原理和结构特点。
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