问题
填空题
若对φ177.8mm套管井进行常规测试，（）时不能选用的。
答案
参考答案：φ114mm卡瓦封隔器
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若对φ177.8mm套管井进行常规测试，（）时不能选用的。
参考答案：φ114mm卡瓦封隔器
| 根据对话内容，将框内符合对话情景的句子抄写在对话中，使对话恢复完整。其中有两个选项是多余的。 | |
| A: I'd love to go on a vacation this summer. B: 1______? A: I'd like to visit Sydney. B: 2______! I know it has beautiful beaches. Who are you going with? A: 3______. what are you going to do this summer? B: 4______ but I'm not sure what to do. A: what do you like doing? B: I like writing stories. A: well, you could help write stories for our school magazines. B: 5______ Thank you!
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