论文部分内容阅读
汽车内燃机必须选用符合规定牌号的润滑油。在检查发动机机油油位时,要把汽车停放在平坦的路面上,同时要检查机油测量尺上的机油污染程度。更换机油
Automobile internal combustion engine must use the lubricating oil that meets the stipulated grade. When inspecting the engine oil level, park the car on a flat surface and check the degree of oil contamination on the oil dipstick. Change the oil