很遺憾,因您的瀏覽器版本過低導(dǎo)致無法獲得最佳瀏覽體驗(yàn),推薦下載安裝谷歌瀏覽器!
The earliest locks in the world originated from Chinese wooden locks. Early wooden locks have been found in the Yangshao cultural site 5000 years ago. In some historical documents of the Zhou Dynasty (1046 BC-256 BC), there have been records of locks and keys in warehouses. Early wooden locks simple in structure and cumbersome in shape. They used bamboo poles and wooden sticks as keys and easy to open.
2021-01-11In order to prevent similar unfortunate things from happening again, let me share with you the experience of buying anti-theft locks for bicycles (including electric bicycles).
2021-01-11Change the lock core by yourself, which is more secure. Many users have realized the necessity of changing the lock cylinder. But because I don't understand this lock core, I can't start.
2021-01-11