abrasive
工業(yè)科技

        磨蝕劑,磨料; ～base paper砂紙?jiān)?～fibre砂紙?jiān)? ～paper砂紙;～quality磨損性;～resistance耐磨性;～wear磨粒磨損......（本文共 78 字）     [閱讀本文] >>