aluminium alloy tower bolt 铝合金插销
iron tower bolt 铁插销
flat tower bolt 扁插销
iron ring tower bolt 弹簧插销
heavy tower bolt 粗芯插销
type iron tower bolt 型铁插销
Between the motherboard of engine room and upper tower, each section of tower, tower is connected with conduction joint except for its own bolt union.
机舱底板与上段塔架之间、塔架各段之间、塔架除本身螺栓连接之外还增加了导体连接。
Bolt from the blue: Seen from the Hancock Tower, lighting strikes both the Willis Tower, right, and the Trump Tower in downtown Chicago as a severe storm rolls through the region last night.
突如其来:芝加哥市中心昨天遭遇一场暴风雨,从汉考克大厦看出去,闪电刚好同时击中威利斯大厦(右)和川普大厦。
Lightning streams across the sky towards downtown last night as one bolt appears to strike the Willis Tower, left, once again.
从另一边看,云层中穿出的闪电又一次击中了威利斯大厦(左)。
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