单词	metallurgy-- powder
释义	metallurgy， powder粉末冶金
随便看	launch and flight environment launch and leave launch(-)and(-)leave launch and leave (lal) launch and recovery capsule launch and recovery platform launch and recovery platform {=larp} launch and recovery system launch and recovery system {=lars} launch angle launch area launch a ship, launch auxiliary system launch auxiliary system，las launch azimuth launch azimuth (la) launch base launch command and control center launch complex launch conditions launch constraint launch control and sequencer system launch control and sequencer system--lcss launch control and sequencer system，lcss launch-control-center computer