短語(yǔ)詞組短語(yǔ)back -stop 備用BS Back Channel Stop 背溝道保護(hù)型basketball back stop 籃球架top retainer back stop 門簷擋鉄back stop motion 後退停止運(yùn)動(dòng)armature back stop 啣鉄後擋Turn Back Stop 反轉(zhuǎn)提針door back stop 門擋 返回 back stop