EMFRIG N oils are developed to lubricate all types of refrigerating compressors-reciprocating, rotary and screw types.是什么意思_EMFRIG N oils are developed to lubricate all types of refrigerating compressors-reciprocating, rotary and screw types.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句