具有多重安全保障及自锁功能，无需别家任何栓门器材。
Three, with multiple security and self-locking function, do not need any other door equipment.
后门是五锁连环栓，单回路报警系统，小菜一碟。
Back door has a five-pin tumbler system, single-circuit alarm. Child's play.
后门是五锁连环栓，单回路报警系统，小菜一碟。
Back door has a five-pin tumbler system, single-circuit alarm. Child's play.
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