调峰的参数界限是供暖系统装机容量选择的重要参数，关系到系统运行时的负荷分布与经济性。
The peak shaving parameter limit is important to the choice of heating system capability, and is relate to heat load distributing and economic question.
该冲击器时针对不同作业对象来调节系统压力，从而实现降低主机（如挖掘机等）装机容量的目的。
The impactor can regulate system pressure according to different objectives, so the purpose to reduce power capacity of original machine, such as excavator, is realized.
黑龙江省电力系统电源主要以火力发电为主，水电仅占电源装机容量的7.67%。
Electricity in Heilongjiang electrical power system is mainly fire power generation. Waterpower generation only accounts for 7.67% in electrical power capacity.
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