All piping (connected with orbital welding), clamp connections, diaphragm valves, sanitary pumps used in the whole plant is in AISI 316L.是什么意思_All piping (connected with orbital welding), clamp connections, diaphragm valves, sanitary pumps used in the whole plant is in AISI 316L.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句