英语语法分析

Preferably, the carboxylic acid raw material contains glutaric acid, adipic acid, pimelic acid, suberic acid, sebacic acid and 1,9-nanomethylenedicarboxylic acid in a total amount of 5 mass% or less.

所述羧酸 原料含有总量小于或等于5质量％的戊二酸、己二酸、庚二酸、辛二酸、 癸二酸和1，9-亚壬基二羧酸。