For detergent effect, additive 711A improves Second Baku crude oil motor lubricant from grade 6 to 1 on model engine test.是什么意思_For detergent effect, additive 711A improves Second Baku crude oil motor lubricant from grade 6 to 1 on model engine test.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句