以下为句子列表：
英文: The first group is polyurethane prepolumer which is made from polyether resin and diisocyanate etc after polymerization; the second group is made by mixing up cross linker, accelerator, softener, densifier, mold preventive and stuffing etc.
中文: 甲组分别是以聚醚树脂和二异氰酸脂等为原料，经聚合反应制成的含端异氰酸脂基的聚氨基甲酸脂预聚物；乙组分别由交联剂、促进剂、增韧剂、增黏剂、防霉剂和填充剂等混合加工而成。
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