Five series of products includes more than ten varieties, including cup pig series, straight plate pig series, paraffin scraper series, foam pig series, flexuosity detector series, etc.
皮碗清管器系列；直板清管器系列；刮蜡清管器系列；泡沫清管器系列；屈曲探测器系列等五大系列几十种产品。
The sound insulation property of aluminum foam(Al-foam) with composite structure was studied using a self-made equipment and sound detector.
采用自制的试验装置对泡沫铝与实体铝复合结构的隔声性能作了研究。
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