催化剂作为炼油化工企业大量需求的原料，其价格的波动是影响产品成本的因素之一。
As a raw material need in large quantity in oil refining chemical enterprise, catalyst 's price fluctuation is one of factors to influent product cost.
催化剂作为炼油化工企业大量需求的原料，其价格的波动是影响产品成本的因素之一。
As a raw material need in large quantity in oil refining chemical enterprise, catalyst 's price fluctuation is one of factors to influent product cost.
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