marketing activities短语²⁸⁷⁷⁶ 基本例句 un.销售活动；🌏市场活动；营销活动；营销活动管理 Based on the specialities in petrochemicals market competition, suggestions are put forward to improve six major problems in China's petrochemical enterprises' marketing activities. 在分析石化市场竞争特点的基础上，针对我国石化企业营销的六大误区提出改进建议。 chemyq