8．步进电机的正常工作范围为0—125个步级(日本车)。
查看答案
9.只有在节气门全关、车速为零时才进行怠速控制。
A. 对
B. 错
10.开关型怠速控制阀也只有开或关两个位置。
A. 对
B. 错
Mr. Smith ______ the flowers at the moment. He _____ to do that job.
A. waters… likes
B. will water… has likes
C. is watering… likes
D. was watering… had liked
微信支付 
支付宝支付