问题
名词解释
泵井作业率
答案
参考答案：
泵井作业率是指周期内检抽油泵作业井与验收检、换抽油泵总井数的百分比。
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泵井作业率
参考答案：
泵井作业率是指周期内检抽油泵作业井与验收检、换抽油泵总井数的百分比。
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| It was Sunday yesterday. Liu Mei didn't go to 1 . But her father and mother went 2 . After she cleaned (打扫) the 3 , she 4 some flowers. Then she went to 5 . She bought some meat, some vegetables and some fruit. It was 11: 00 when she was back. After a 6 , Liu Mei began to do the cooking (做饭). Lunch was 7 at about 12: 00. But she didn't 8 it, because she wanted to wait for her father and mother. Ten minutes later, they came home and they were very 9 . They said their 10 was very good. | ||||
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