英语翻译specification:•A Brass lock with five keys; •The lock body should be made by brass and the shackle should be made by hardened iron.•The diameter of the shackle should be not less than 6mm.The diameter of the circle of th

英语翻译specification:•A Brass lock with five keys; •The lock body should be made by brass and the shackle should be made by hardened iron.•The diameter of the shackle should be not less than 6mm.The diameter of the circle of th
英语翻译
specification:
•A Brass lock with five keys;
•The lock body should be made by brass and the shackle should be made by hardened iron.
•The diameter of the shackle should be not less than 6mm.The diameter of the circle of the shackle should be not less than 20mm

英语翻译specification:•A Brass lock with five keys; •The lock body should be made by brass and the shackle should be made by hardened iron.•The diameter of the shackle should be not less than 6mm.The diameter of the circle of th
每把铜锁附带5把钥匙
锁体用黄铜制造,挂钩用硬金属制作（个人认为应该是钢的吧?）
挂钩直径不应小于6毫米,圆圈形状的挂钩直径不能小于20毫米