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Lesson 7 Starting Air System 第7课起动空气系统 1。Diesel engines are started by supplying compressed air into the cylinders in the appropriate sequence for the required direction。A supply of compressed air is stored in air reservoirs or bottles or receivers at pressures about 30 or 40 bar ...
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最新版Lesson-7-Starting-Air-System(完整版).docx,精品文档 精品文档 PAGE PAGE # 欢。迎下载 精品文档 精品文档 i i欢迎下载 Less on 7 Start ing Air System 第7课起动空气系统 Diesel engines are started by supplying compressed air into the cyli nders in the ap
Lesson7 Starting Air System(起动空气系统)Lesson7STARTINGAIRSYSTEM appropriate[ə'prəupriət]适当的,恰当的sequence['si:kwəns]次序;顺序;asequenceof一连串,一系列require[ri‘kwaiə]需要v(requirementn)direction[di'rekʃən]方向;方位 Thinking:Whythecompressedairbeingusedfor startingmarine...
1. AIR QUALITY: Students walk around the class and talk to other students about air quality. Change partners often and share your findings. 2. CHAT: In pairs / groups, talk about these topics or words from the article. What will the article say about them? What can you say about these...