security of metallics buttons rivets ets security of metallics buttons,rivets,ets
Related Translations:
铆: Ⅰ动词(铆接) rivet 短语和例子铆工把薄金属板铆在船底上。 the riveter riveted the metal sheets to the ship's bottom.Ⅱ名词(铆接时锤打铆钉的操作) riveting 短语和例子交叉铆 cross riveting; 并列铆 chain riveting