During measuring total sulfur content in heavy oil using Coulumb instrument, the measured values were often on the low side.

用库仑仪测定重油中全硫含量时，测定值往往偏低。

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During measuring total sulfur content in heavy oil using Coulumb instrument, the measured values were often on the low side.

用库仑仪测定重油中全硫含量时，测定值往往偏低。

youdao