The main component in 4 # solvent is liquefied butane.四 号 溶剂主要成分为液化丁烷.Butane and butylenes has the same characteristic with propane and propylene.丁烯与丁烷表现出与丙烯、丙烷相似的特性.The butane conversion of catalyst aged in different pH...
Butane and butylenes has the same characteristic with propane and propylene.丁烯与丁烷表现出与丙烯、丙烷相似的特性....replaceable butane gas cartridges.可替换丁烷气贮气瓶The butane conversion of catalyst aged in different pH has similar value.在不同pH...
On the customs declaration, the sender labeled the freight as agricultural machinery.在报关单上，寄货人将货物列为农用机械。The railways will carry a far higher proportion of freight traffic.铁路将承担比例高得多的货运量。Environmental pressures are streng...
用塞拿蒙补偿器测定固化树脂的双折射率.Birefringence of the cured resin was measured with a senarmont compensator.有一种自动温度补偿器配合这个一起工作.An automatic temperature compensator is available for use with the Ultraviscoson.有些精密仪器用了热补偿器.Some precisio...