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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...
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butane的音标：butane的英式发音音标为：['bju:teɪn]butane的美式发音音标为：['bjuˌten]...
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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...