combined efficiency
... combined action 联合行动 combined efficiency 总效率 combined stress 组合应力,复合应力,...
[科技] overall efficiency
... output transformer 输出变压器输出变换器 overall efficiency 总效率 overcharge 过充电 ...
gross efficiency
... gross efficiency; overall efficiency 总效率 a arent efficiency 表观效率 absolute efficiency 绝对标高; 绝对效率 ...