词汇	fragen
释义	fragenCOCA²⁸⁰¹³⁶⁺⁵🌏发问；问题
随便看	overhead door overhead door holder overhead door operator overhead door track overhead double contact line system over head dribble overhead driller overhead drilling overhead drive overhead drive press over-head driving overhead driving gear overhead drop hammer impact overhead drum overhead earth wire overhead eccentric crusher overhead eccentric-jaw crusher overhead economy overheaded passageway overhead effciency standard overhead efficience variance overhead efficiency ratio overhead efficiency variance overhead electrical conductors overhead electric traction wire