When the chain drive system of the window cleaner fails, the descent distance of the crane under full load shall be less than 500mm.
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The Latest Industry NewsWhen the chain drive system of the window cleaner fails, the descent distance of the crane under full load shall be less than 500mm
2021-04-09
When the chain drive system of the window cleaner fails, the descent distance of the crane under full load shall be less than 500mm.
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