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spinning reserve
el. 电力系统的动态备用容量 (of a system)
el.mach. 热备用
hydroel.st. 旋转备用热备用 (hot reserve)
wind. 运转备用; 旋转备用
spinning reserve
: 7 phrases in 4 subjects
Electric machinery1
Electronics2
Hydroelectric power stations2
Technology2