cāng kù lǐ / cún fàng / zhe / gè zhǒng / bèi yòng pǐn / yǐ biàn / shè bèi / sǔn huài / shí / jí shí / gēng huàn仓库里存放着各种备用品,以便设备损坏时及时更换。The warehouse stores various spare parts so that they can be replaced promptly when equipment breaks down.