keychainsCOCA¹⁸⁶⁰⁸⁵BNC²³⁶²¹³⁺¹ 基本例句 n.钥匙链原型keychain的复数 Meantime, we produce as well Letter Openers, Magnifiers, keychains, clips, tubes, barrel, mechanism parts, refill, pen case for pen sets as options for clients. 同时，我们还生产各类笔类套件，有开信刀、放大镜、钥匙链、回形针、管子、桶、机械零部件、充墨用品、笔盒，供客户选择。 makepolo