问题
多项选择题
阀门的日常检查内容包括：各静密封点是否泄漏；（）绝热层是否损坏。
A、基础资料是否完整
B、阀门的方向是否正确
C、手轮是否完好，润滑是否良好
D、绝热层有无破损
答案
参考答案：C, D
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阀门的日常检查内容包括：各静密封点是否泄漏；（）绝热层是否损坏。
A、基础资料是否完整
B、阀门的方向是否正确
C、手轮是否完好，润滑是否良好
D、绝热层有无破损
参考答案：C, D
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| Taiwan lies in the southeast of China. It's the largest island in China. It has an area of about 36, 000 square kilometers and it has a population of over 20, 000, 000. It is rich in natural resources. Bananas, rice, tea and so on are famous at home and abroad. Clothes, food and so on are also well-known all over the world. Its beautiful scenery, such as Sun-Moon Lake and Mount Ali, and its wonderful climate make more and more travelers come to Taiwan. Taiwan has been part of China since ancient times. Most people of the island came from Fujian and Guangdong provinces. All the people on both sides of the strait (海峡) have a strong wish to unite our motherland (祖国统一). | ||||||||||||
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