scaf folding fittings
... 悬浮脚手架 floatscaffold 脚手架配件 scaffolding fitting 液压脚手架 hydraulic scaffolding ...
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必须使用合适的设备来安全提升脚手架的配件、支柱和板材。
Proper provisions must be made for the safe lifting of scaffold fittings, poles and boards.
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