单词	鳍形肢
释义	鳍形肢 ichthyopterygium
随便看	pilot demonstration project pilot depot pilot design pilot-detecting technology pilot detector pilot deviation pilot device pilot devices pilot devices tags pilot diesel Pilot diesel quantity pilot diet pilot differential protection pilot differential relay pilot direction indicator pilot director pilot discriminator pilot disease pilot disorientation Pilot District Project pilot door pilot drift pilot drifting excavation pilot drifting method pilot drifting method, pilot heading method