青年中文multi grade oil的意思
multi grade oil中文翻譯：
多級機油
multi───pref.多
grade───n.年級；等級；成績；級別；階段；vi.分等級；逐漸變化；n.(Grade)人名；(英)格雷德；(法、德、西、葡、塞、瑞典)格拉德；vt.評分；把…分等級
multi object───多目標
multi color───adj.五彩繽紛的，多色的；n.多色
vital multi───生命多重
multi coating───n.多層鍍膜
multi grain───雜糧
multi lift───多升降機
multi meaning───多義
This paper introduces the characteristics and differences of multi-grade oil and one-grade oil, the points for attention of selecting multi-grade oil are presented.───在簡述了多級油與單級油的特點與區別后，指出了多級油選擇與使用中應注意的事項。
The 2-order grey relational grade method for solving the optimization of development alternatives with multi-objective function in multi-block-multilayer oil and gas field is developed.───針對多斷塊、多層系油氣田開發方案優選的多目標性，提出了用二階灰色關聯度求解的方法。
Modern engine oils retain the properties of a multi-grade oil over the stated interval periods provided that they are changed regularly.───現代發動機油在提供他們定期更換規定的時間間隔期保留了多級油的特性。
Predication Model Pressure of Multi-grade Oil in Oil Main Pipe in Engines───多級油在發動機主油道中的壓力預測模型