As the alkene content of motor vehicle petrol containing catalytic fraction is large, it is difficult to measure accurately by the fluorescent indicator adsorption method.
含催化馏份的车用汽油，烯烃含量大，用荧光指示剂吸附法不易测准汽油的族组成。
As the alkene content of motor vehicle petrol containing catalytic fraction is large, it is difficult to measure accurately by the fluorescent indicator adsorption method.
含催化馏份的车用汽油，烯烃含量大，用荧光指示剂吸附法不易测准汽油的族组成。
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