汽車設(shè)計(jì)與維修原理英文版text4a(編輯修改稿)
2025-04-15 07:52 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 utch) and the automatic transmission (plus its torque converter) acplish exactly the same thing, but they do it in totally different ways. Drive Train Manual Transmission ? Manual transmissions usually have four or five speeds, and often have overdrive, which means that the output shaft can turn faster than the input shaft for fuel economy on the highway. Drive Train In general, transmissions with more speeds provide better fuel economy and smoother shifting, but they cost more to manufacture, so small subpact cars will often have optional 4 speed transmission while more upscale cars will have 5 or 6 speed transmission. Drive Train Automatic Transm
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