触发类型：聚合或非聚合。
肩股票是不胜类型，是由聚合物。
Shoulder stock is of telescoped type, and is made from polymer.
并对聚合物的结构及聚合反应的类型进行了探讨。
The structure and polymerization reaction type of the polymer were also discussed.
并对聚合物的结构及聚合反应的类型进行了探讨。
The structure and polymerization reaction type of the polymer were also discussed.
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