常見例句雙語例句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.堿金屬是導(dǎo)致高爐料柱透氣性惡化、爐況失常、頻繁懸料和在爐身結(jié)瘤的一個重要原因。權(quán)威例句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.FORBES: Dome of the Brave 返回 hanging scaffold