不归位旋转机键
non-homing type rotary switch
磁旋旋光性物质
magnetically active substance
磁旋转光谱技术
magnetic rotation spectroscopy
磁致旋光光谱
magnetic rotation spectrum
大交织投跃·大旋转上投跃
jete entrelace grand jet dessus en tournant
大型旋转机械
Large rotating machinery
large_scale rolling machine chain
低速旋转机械
Low-speed rotating machinery
定位与旋转机构
positioning and rotating bodies
反向旋转光楔
conuter-rotaing wedges
optical counter-rotating wedges