hanging scaffold
常见例句
- Alkali metals are one of the important causes that leads to poor permeability of charge column, irregular furnace operation, frequent hanging and scaffolding in the stack.
碱金属是导致高炉料柱透气性恶化、炉况失常、频繁悬料和在炉身结瘤的一个重要原因。 - To calm the masons' nerves, Brunelleschi built a balcony of hanging scaffolding, so the men wouldn't have to stare down at the ground 80 meters below.
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