工后差异变形
discrepant after-construction deformation
分期差异构造变形
staging differential tectonic deformation
变形差
different vertical deformation
异丁酸戊酯
isobutyric acid amyl ester
异丁酸烯丙酯
isobutyric acid allyl ester
allyl isobutyrate
异丁烷
isobutene
Isobutane
iso-butane
Iso butane
C4H10
iso-butane=isobutane
architecture’s exterior insulation
i-BUTANE
selective oxidation
2-methylpropane
Catclytic ability
trimethylmethane
butane flame methanometer