The PSH model is high precise and its media-wetted materials are composed of stainless steel 316, having excellent corrosion-resistant properties.是什么意思_The PSH model is high precise and its media-wetted materials are composed of stainless steel 316, having excellent corrosion-resistant properties.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句