问题
问答题 简答题
电喷发动机热车起动困难的原因有哪些？
答案
参考答案：
热车起动困难的根本原因是混合气过浓。热起动困难的原因有：水温传感器有故障，进气温度传感器有故障，喷油器漏油或严重雾化不良，冷起动喷油器有故障，怠速阀油压过高，点火系有故障等。
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电喷发动机热车起动困难的原因有哪些？
参考答案：
热车起动困难的根本原因是混合气过浓。热起动困难的原因有：水温传感器有故障，进气温度传感器有故障，喷油器漏油或严重雾化不良，冷起动喷油器有故障，怠速阀油压过高，点火系有故障等。
| 补全对话（其中有两项多余） | |
B: 1 A: For your daughter? Look, the shoes are really nice. Do you like them? B: Yes. But I'm afraid my daughter doesn't like the color. 2 A: Sure. There are different kinds of shoes over there. What color does she like? B: 3 And black is her favorite. A: What size does she need? B: Size 9.Let me see. Um, this pair of shoes must fit her. 4 A: They are not expensive, only 199 yuan. B: That would be fine. 5 Here is the money. Thanks very much! A: You are welcome. |