escape stair
常见例句
- This paper discussed the safety countermeasures in the aspect of building such as fire-escape stair, handrail, unsparking ground, light weight and fragile roof and fire risk.
對安全評價對策措施中有關疏散樓梯、扶手、不發生火花地麪、輕質易碎屋蓋以及火災危險性類別等建築要求進行探討。 返回 escape stair