背向滑步推铅球
Shot-put by Slide Step Backward
back slide of shot put
背向滑步推铅球技术
back gliding shot put technique
半收放式起落架
semi-retractable landing gear
半同步起动
semi synchronous starting
半主动控制起落架
semiactive controlled landing gear
变质量起落部分
changed mass elevating parts
垂直起落
vertol
vertical take off and landing
VTOL
veetol
垂直起落飞机
omniplane
vertical take off and landing aircraft
垂直起落机
vertical take off and landing aircraft
vtol aircraft
单支柱起落架
interplanetary flight program
單支柱起落架
single strut landing gear