问题
问答题 简答题
液压油应具备哪些性能？
答案
参考答案：
液压油应具有适当的粘度、良好的粘温特性、良好的润滑性，并且抗氧化，抗燃烧，不易乳化，无腐蚀作用，不破坏密封材料，无毒，有一定的消泡能力。
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液压油应具备哪些性能？
参考答案：
液压油应具有适当的粘度、良好的粘温特性、良好的润滑性，并且抗氧化，抗燃烧，不易乳化，无腐蚀作用，不破坏密封材料，无毒，有一定的消泡能力。
| 阅读理解。 | ||||||||||
| My name is Zhang Mei. I'm in Class 16, Grade 7. There are three people (人) in my family. They are my father, my mother and I. We eat lots of good food. My father likes chicken and eggs. My mother likes vegetables and salad. I like fruit and vegetables, but my favorite (最喜欢的) food is ice cream. We all (都) like hamburgers and French fries.
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