Investgators say design flaws in steel plates holding the bridge together may be to blame for the disaster.
Investgators say design flaws in steel plates holding the bridge together may be to blame for the disaster.
调查人员表示连接大桥的钢板的设计缺陷可能是事故发生的原因。
Investgators say design flaws in steel plates holding the bridge together may be to blame for the disaster.
调查人员表示连接大桥的钢板的设计缺陷可能是事故发生的原因。