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吊笼由角钢和槽钢焊接而成。
The suspension coop is welded by the Angle steel and channel steel.
youdao
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用吊笼以提供螺栓连接和检验的安全通道。
Cage is adopted to provide safe access for bolting and testing.
youdao
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用吊笼以提供螺栓连接和检验的安全通道。
Cage is adopted to provide safe access for bolting and testing.
youdao