权威例句
Combination step, stair well and extension laddersDiscussing about the design of adding press and delivering wind in stair well underground guarding against smoke in the high-rise ci...CaixaForum (Madrid, Spain): Railing detail around stair wellStair well.(YourBusiness: ByDesign)Kearns Mansion-Utah State Historical Society Stair Well P.10High rise building with a stair well and a intake air shaftCombination step, stair well and extension laddersStained glass "rose"window (concave) from the main stair well of the Dr. J. A. Hatch house about 1981Urinary thromboxane A2 metabolites in patients presenting in the emergency room with acute chest painUrinary thromboxane has diagnostic value in myocardial infarction.
