单词	pars posterior
释义	pars posterior 后部
随便看	traction return current circuits traction return current rail traction robot traction rod traction roll traction-roller gearing traction rope traction rope sleeve traction substation traction substation automation system traction substations traction substation , SS tractions traction safety protection traction screw traction screw osteosynthesis traction-screw osteosynthesis traction-separation law traction sheave traction shovel traction simulation traction sipes traction slot traction spark traction speed