单词	barrier unit
释义	barrier unit 屏障单位
随便看	four roller rolling mill four rollers glue spreader four roller wave generator four-roller wave generator four-roller weft straightener fourroll inverted 1 calender four roll inverted 1 calender fourroll mill four roll mill four-roll mill four roll pass four-roll plate bending machine four roll rubber calender fourroll sheeting calender four roll sheeting calender fourroll stack calender four roll stack calender fourroll vertical calender four roll vertical calender four roll z fabric calender four-rooms four rope friction winder four-rope friction winder four rope grab four rope winding