当钢化玻璃被外部力量破坏碎裂时立即形成无锐角的玻璃碎片，从而减少和避免对人体的伤害。
When the glass breaks caused by external the force of the glass shatters instantly and free of sharp pieces. So as lessen or avoid the injury to human body.
当钢化玻璃被外部力量破坏碎裂时立即形成无锐角的玻璃碎片，从而减少和避免对人体的伤害。
When the glass breaks caused by external the force of the glass shatters instantly and free of sharp pieces. So as lessen or avoid the injury to human body.
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