low-velocity drop

drop-英汉词典... ... low frequency drop [医]低频跌落 low-velocity drop [军]低速空投 mail drop {n.}邮筒,信箱,[美],邮箱 ...

超低空空投,super... ... ) super-low-altitude 超低空 ) low-velocity drop 低速度空投 ) superprojective space 超投影空间 ...