Fixed cistern barometers are used as a standard for checking altimeter.固定槽式气压计可以作为标准件去检验测高计.The dials of most barometers are inscribed with weather terms.大多数气压计的盘面都刻有天气术语。Fixed cistern barometers are used as a standard f...
The dials of most barometers are inscribed with weather terms.大多数气压计的盘面都刻有天气术语。Fixed cistern barometers are used as a standard for checking aneroid barometers.固定槽式气压计可以作为标准件去检验无液气压计.Fixed cistern barometers are used as a...
而环氧粉末涂料的固化反应只有环氧树脂与固化剂 - 双氰胺的交联反应.The cross - linkedstructure of epoxy and phenolic resins increased because of the crosslinking between the two resins.研究了酸度对苯胺与双氰胺加成反应生成苯基双胍的影响.The effect of acidity on synthesis of phen...
He was in a state of tremulous excitement.他激动得直发抖。We waited in tremulous anticipation.我们怀着紧张的心情期待着.She fidgeted in her chair as she took a deep, tremulous breath.她在椅子上坐立不安,轻颤着深吸了一口气。...