scouring box

英语单词box是什么意思，英文单词查询box，在线... ... saw tooth box 锯齿箱 scouring box 磨光卷筒 screening box 屏蔽箱, 屏 …

直角三角形_馆档网 ... "磨光,精练,洗涤"," scouring" "洗涤槽"," scouring box" "洗涤槽"," scouring kier" ...