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聽力原文：M: Joy, could you help me, please I can’t find my knife.W: Don’t worry, Jim. I c
聽力原文：M: Joy, could you help me, please I can’t find my knife.W: Don’t worry, Jim. I c聽力原文：M: Joy, could you help me, please I can’t find my knife. W: Don’t worry, Jim. I can help you. Q: What is Jim looking for （）A．His kiteB．Her knifeC．His knifE．
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問答題
有的車輛同時(shí)配備有進(jìn)排氣凸輪軸位置和曲軸位置傳感器,如果此車曲軸位置傳感器信號(hào)缺失,發(fā)動(dòng)機(jī)熄火后將能夠再次起動(dòng),請(qǐng)分析原因
答案：
發(fā)動(dòng)機(jī)控制單元依據(jù)凸輪軸位置傳感器的信號(hào)計(jì)算出曲軸位置,進(jìn)而確定一缸上止點(diǎn),能夠點(diǎn)火成功,但起動(dòng)時(shí)間會(huì)拉長。
