How many emergency exits are there per floor?
请问每一楼面有多少紧急出口？
Vitra contains only one apartment per floor-and each floor plan is unique.
一层楼只有一间公寓，每层的设计都别具一格。
ASTM D5848 Standard Test Method for Mass Per Unit Area of Pile Yarn Floor Coverings.
ASTMD5848簇绒纱线地毯单位面积质量的试验方法。
ASTM D5848 Standard Test Method for Mass Per Unit Area of Pile Yarn Floor Coverings.
ASTMD5848簇绒纱线地毯单位面积质量的试验方法。
应用推荐