... 电梯 elevator 吊钩横梁 hook beam 辅助结构 auxiliary structure ...
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single-beam electric hook crane 电动单梁吊钩起重机
lifting beam with hook [机] 吊钩横梁
beam electric hook crane 电动单梁吊钩起重机
hook support beam 拦阻钩支承梁
Double beam gantry crane hook 双梁吊钩门式起重机
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The heavy-duty elastic straps hook to a beam and enable users to use their body weight as resistance in movements like single leg jumps.
WSJ: To Stay on Top in Tennis, Time Off Counts
The victim, 64, who does not want to be named, was manoeuvring a crane when its hook struck the unsecured beam, sending it toppling on to him.
BBC: Steel beam
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