backstop tone后定位夹钳
hydraulic backstop以液压升降的篮球架
backstop plan保障安排
liquidity backstop防止流动性枯竭
backstop inside内支撑块
backstop tongs止退钳;后挡钳
gearbox backstop变速箱止回器
relay backstop继电器止档
backstop welding分段退焊
N(名词) a screen or fence to prevent balls leaving the playing area 挡球网 [sport]
V(动词) to provide with backing or support 支持 [美国英语]