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The cover is secured with anti-tamper security screws.
封面是有担保与反篡改的安全螺丝。
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7 dedicated security hook-shaped screws, self-tapping screws, expansion screws, mirror nail.
7字形专用安全挂钩螺丝，自攻螺丝，膨胀螺丝，镜钉。英语怎么翻译。
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