单词	速度跳变
释义	速度跳变医velocity jump
随便看	light-weight steel girder floor lightweight steel housing lightweight steel joist system lightweight steel portal frame Lightweight steel roof light-weight steel roof lightweight steel shape light weight steel shape lightweight steel stairs lightweight steel structure light weight steel structure light-weight steel structure lightweight steel structure housing residence light weight steel structure residence Lightweight steel structures light-weight steel with gabled frame lightweight steel workshop lightweight stone lightweight stoper light weight stoper Light Weight Strike Fighter lightweight structural concrete lightweight structure light weight structure light-weight structure