问题
填空题
液态密封胶在预处理时应将密封面上的油污、水、灰尘或锈除去；单独使用时，两密封面间隙应大于（）mm。
答案
参考答案：0.1
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液态密封胶在预处理时应将密封面上的油污、水、灰尘或锈除去；单独使用时，两密封面间隙应大于（）mm。
参考答案：0.1
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| Dear Meimei, Thank your for your last letter. I have been here more than a month 1 I left Shanghai for Tokyo. Now, let me tell you 2 about Tokyo. I enjoy 3 all places of great interest here very much. But it is difficult for me to find my way around the city. 4 Tokyo, only the important streets have names, and houses are numbered by age (按年代编号). 5 , when the first house was built in a place, it was Number One, and the second was Number Two. Sometimes, the second house may be over a kilometer 6 from the first house. Most of the people here are 7 to tell other persons ways. One man even drew a 8 for me when I asked him how I could 9 the station. How strange it is! Please write to 10 soon. Yours, Fangfang | ||||
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