... 扶手空间 handrail space 扶手螺栓 handrail bolt 扶手螺栓旋凿 handrail punch ...
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After several failed attempts to unscrew the bolt on the handrail, the spacewalkers ended up tearing it off with brute force.
BBC: Brute force helps Hubble renewal
Work ran over by 90 minutes due to a tool running low on battery power and a particularly awkward bolt securing a handrail that needed to be removed.
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