The HYDAC Air Vent Valve eliminates air bubbles which accumulate in hydraulic systems immediately after startup or after long periods of shutdown of the system.是什么意思_The HYDAC Air Vent Valve eliminates air bubbles which accumulate in hydraulic systems immediately after startup or after long periods of shutdown of the system.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句