润滑性较差的介质，如轻质燃油、重质燃油、煤焦油、沥青、粘胶液、乳化液等；
Medium with worse lubricating property, such as light fuel oil, heavy fuel oil, coal tar, asphalt, viscose, emulsified mixture, etc.
再加上新型轻质材料、集成电子技术和空气动力学方面的进步，我们已经可以看到提高燃油效率有效技术途径。
Add in the new lightweight materials, integrated electronics, aerodynamic advances, and right there is a technology road map that increases fuel efficiency.
应用推荐