单词	Ordovician System
释义	Ordovician System 奥陶系
随便看	traction motor voltmeter traction mower traction of pelvis along the longitudinal axis traction orthodontic treatment traction permeameter traction phenomena traction power traction power source traction-pulsion pouch traction ratio traction reactor traction reduction traction resistance traction return current circuits traction return current rail traction rod traction roll traction rope traction rope sleeve tractions traction screw traction sheave traction shovel traction speed control lever traction speed lever 毫发无遗恨毬惊杖奋合且离氈苞席裹可立致民事如何民安在民怀国气□□ 气似奔雷气吞万里如虎气吞区宇 49793 49794 49795 49796 49797 49798 49799 49800 49801 49802