FHD series of electric-hydraulic control commutate valves, company-developed, apply electromagnetic hydraulic control technique, to be operated automatically.是什么意思_FHD series of electric-hydraulic control commutate valves, company-developed, apply electromagnetic hydraulic control technique, to be operated automatically.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句