通过计算分析，在现有顶管机的基础上进行工艺参数优化，可扩大机组生产的产品规格和品种。
Based on the said calculation and related analysis, process parameter optimization is done to expand product mix in terms of size range and variety.
产品规格如因工艺改进而有所改变，恕不另行通知。
The Specifications of the product may be modified for improvement without notice.
叙述了苯甲酰氯的性质、合成工艺路线、实验室和工业制法，产品规格及其分析方法。并对其深加工产品及其应用进行了概述。
In this paper the synthetic methods and properties of benzoyl chloride are introduced, and its downstream products and its application are stated.
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