在茂名石化公司炼油厂重质（?） 苯脱腊装置上对进口ECA7433和SDA1615两种助滤剂进行了工业试验。
Commercial tests for the imported filter aids ECA7433 and SDA1615 were carried out in heavy lube oil benzol-ketone dewaxing unit in the refinery of Maoming Petrochemical Company.
在茂名石化公司炼油厂重质（?） 苯脱腊装置上对进口ECA7433和SDA1615两种助滤剂进行了工业试验。
Commercial tests for the imported filter aids ECA7433 and SDA1615 were carried out in heavy lube oil benzol-ketone dewaxing unit in the refinery of Maoming Petrochemical Company.
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