要符合这个标准下的特殊材料分类，需要满足一系列最低物理和化学性能要求。
Conformance to a particular material classification in this standard requires meeting a number of minimum physical and chemical properties.
简介家用清洁布的分类、用途和基本要求，并对几种市售清洁布的清洁性能进行了分析。
In this paper the classification, fundamental demands and application of cleaning cloth are introduced briefly, and the cleaning properties of several cleaning cloth samples are ana-lysed.
铁路车辆防火；第2部分：火车材料和部件燃烧性能和并发现象，分类，要求和测试方法。
Preventive fire protection in railway vehicles; part 2: fire behaviour and fire side effects of materials and parts, classification, requirement and test methods.
第2部分：火车材料和部件燃烧性能和并发现象，分类，要求和测试方法。
Part 2: fire behaviour and fire side effects of materials and parts, classification, requirement and test methods.
第2部分：火车材料和部件燃烧性能和并发现象，分类，要求和测试方法。
Part 2: fire behaviour and fire side effects of materials and parts, classification, requirement and test methods.
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