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管件组合
meaning in English
pipe unit assembling
Examples
Plastics pipes and fittings preparation of test piece assemblies between a polyethylene pipe and an electrofusion fitting
塑料管材和管件聚乙烯管材和电熔
管件组合
试件的制备
Related Words
管件质量
管件坠落试验方法
管焦点选择
管铰刀
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