以下为句子列表：
英文: The design of the hollow billiards of Century CK Security Locks is plane and heterotype, It can enhance the billiard very poor precision and key sealed,it can reduce the rate of mutual opening, Improving mechanical properties of security.
中文: 世纪西科防盗锁锁芯的上弹子设计成平面异形空心弹子，提高弹子的极差精密度和密钥量，减少锁具间的互开率，提高机械防盗性能。
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