气门从上一次关闭到下一次关闭时的曲轴转角称为配气相位。（）_爱下问搜题

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问题判断题

气门从上一次关闭到下一次关闭时的曲轴转角称为配气相位。（）

答案

参考答案：错

选择题

Watch, read and choose. (看图画，读句子，找出与图画内容相符合的句子)

( ) 1. A. I'm going to visit England. B. I'm going to visit America. C. I'm going to visit Canada.
( )2. A. He went to the police station. B. He went to the hospital. C. He went to the supermarket.
( )3. A. We often play volleyball on weekends. B. We often play baseball on weekends. C. It's good to exercise
( )4. A. It's raining. We wear our raincoats. B. It's snowing. We can make a snowman. C. It's a sunny day. We are very happy.
( )5. A. I want to see a doctor. B. I want to see a film. C. I want to see flowers and walk my dog.

问答题简答题

简述ZJ19卷接机组加热器的控制调整及显示功能。