Pipe classes (e.g. ANSI) and materials (e.g. ASME), tubing and piping (Swagelok, Parker etc.是什么意思_Pipe classes (e.g. ANSI) and materials (e.g. ASME), tubing and piping (Swagelok, Parker etc.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句