Three, with multiple security and self-locking function, do not need any other door equipment.
具有多重安全保障及自锁功能，无需别家任何栓门器材。
Good explosion proof, safety and security, self-protection against temperature, pressure and etc provided.
防爆性能好，安全可靠、温度、压力等自动保护项目齐全可靠。
A security descriptor is not in the right format (absolute or self-relative).
安全描述符格式不正确(绝对或自相关的)。
On the other hand, to study and master of sports-related security and self-help skills.
另一方面，学习和掌握与体育相关的安全及自救技能。
On the other hand, to study and master of sports-related security and self-help skills.
另一方面，学习和掌握与体育相关的安全及自救技能。
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