问题
填空题
对正线钢轨现场焊焊缝平直度，应使用钢轨平直度测量仪每年至少检查（）遍。
答案
参考答案：1
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对正线钢轨现场焊焊缝平直度，应使用钢轨平直度测量仪每年至少检查（）遍。
参考答案：1
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| As science develops rapidly in the direction of technology,it supplies man a better and more comfortable 1 . Men will be 2 shorter and shorter hours, 3 housewives will also be able to have 4 time. Can you 5 doing housework without a housewife? Scientists believe this will 6 into realities in not very long time,and perhaps during your life time house-robots will take 7 of housewives. When I 8 this kind of machine with housewives,some 90 percent of them replied 9 ," 10 can I buy one?" 11 10 percent said,"I would be terrified to see it 12 about my house. " But when I 13 to them that it could be turned 14 or stopped,they quickly realized that it is a 15 object. In my own 16 we have found that the washing-up machine is regarded as a good 17 in the room. There's no greater 18 than to go to bed in the evening and 19 that the washing-up is being done downstairs after we are 20 . Some families would 21 to have their robot slaves 22 all the downstairs housework after they were in 23 at night,while others would have it 24 in the momings. But this would be entirely matter of 25 . | ||||
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