Polyoxymethylene is a high self-lubrication engineering material which is widely used in automobile, machine, chemical engineering and electric industries.
聚甲醛是一种综合性能优良的自润滑工程材料，广泛应用于汽车、机床、化工和电气等领域。
Polyoxymethylene is a high self-lubrication engineering material which is widely used in automobile, machine, chemical engineering and electric industries.
聚甲醛是一种综合性能优良的自润滑工程材料，广泛应用于汽车、机床、化工和电气等领域。
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