机电工程英语PPTPART_TWO.ppt

● 24.4 Exercise：Translate the Following Paragraphs Checking the Inside of the Control Unit Check that the following troubles have been eliminated. (1) Cable connectors are loosened. (2) Installing screws are loosened. (3) Attachment amplifier screws are loosened. (4) The cooling fan operates abnormally. (5) Cable damage. (6) Printed circuit boards have been inserted abnormally. Don’t tinker with the machine There are hundreds of parameters, wires, switches, etc., that you can change in this machine. Dont start randomly changing parts and parameters. Remember, there is a good chance that if you change something, you will incorrectly install it or break something else in the process. Consider for a moment changing the processor’s board. First, you have to download all parameters, remove a dozen connectors, replace the board, reconnect and reload, and if you make one mistake or bend one tiny pin it wont work. You always need to consider the risk of accidentally damaging the machine anytime you work on it. It is cheap insurance to double-check a suspect part before physically changing it. The less work you do on the machine the better. PART TWO ●25.1 Text ●25.2 Words and Phrases ●25.3 Complex Sentence Analysis ●25.4 Exercise Lesson 25 Car safety ● 25.1 Text Car safety is the avoidance of car accidents or the minimization of harmful effects of accidents, in particular as pertaining to human life and health. Special safety features have been built into cars for years, some for the safety of car’s occupants only, some for the safety of others. Every year tens of thousands of people are killed in road accidents. Major factors in accidents include driving under the influence of alcohol or other drugs, inattentive driving, driving while fatigued, reckless driving, or encounters with road hazards such as snow, potholes and crossing animals. History Car safety became an issue almost immedia