brass plated fastener的意思

鍍黃銅緊固件

brass plates───n.黃銅名牌

paper fastener───鈕扣型紙夾

patent fastener───專利緊固件

slide fastener───n.拉鏈

zipped fastener───n.拉鏈

brass plate───n.黃銅名牌

hard and faster───又硬又快

paper fasteners───鈕扣型紙夾

patent fasteners───專利緊固件