管件管道喷头喷嘴专业英语词汇共有 0 条回复件 ... 超高真空法兰用铜密封垫 Ultra-high vacuum flange--Copper seal gaskets 长期恒定内压下热塑性塑料管材耐破坏时间的测定方法 Standard test method for time-to-failure of thermoplastic pipe under constant internal pressure 柔性机械接口灰口铸铁管 Soft mechanical joint grey cast iron pipe ...
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