反转双转轮
counter-rotating double-rotor
电动机正反转
the positive and negative rotary of motors
generator working in double direction
电机正反转
Electric motor revolution and connter revolution
雷射粒子转反转
laser population inversion
超超临界汽轮机转子钢30Cr2Ni4MoV
Ultra Supercritical Steam Turbine Rotor Steel 30Cr2Ni4MoV
超-超临界汽轮机转子轴颈
shaft journal of ultra-supercritical turbine
大型水轮机转轮下环
huge water turbine runner band
低压涡轮转子
low-pressure turbine rotor
对转双转子电机
anti-direction dual-rotor motor