问题
问答题 简答题
润滑油温度过高是何原因？
答案
参考答案：
①油质污秽或冷却不良。②油的粘度不适合此润滑。③各润滑部位的组合间隙不良。
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润滑油温度过高是何原因？
参考答案：
①油质污秽或冷却不良。②油的粘度不适合此润滑。③各润滑部位的组合间隙不良。
Dear Dad, Happy birthday to you! On this special day, I’d like to talk to you 36 a special way. I don’t think I’m good at 37 you my thought (想法)face to face with you, so I’m writing to show my deep love for you. You aren’t a rich man or a famous person. But in my heart, you are one of the greatest 38 in the world. I’m 39 you. You are 40 interested in fame and wealth (名和利). You do 41 things like paying bills on time, and working as a worker in your factory. The smile on your face shows you are happy with the family. You take good care of my grandparents. You help me with my schoolwork and do some shopping with Mom on Sundays. In the past, I didn’t care 42 you were with me or not . Now I am sorry to say I 43 you the respect (尊重) before. But I am thankful for what you have done for me. I am quite lucky that I have 44 a great father. I want to let you 45 how much I love. You are a successful as a son, a husband, a father, and a friend. Yours, David”
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