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判断题

In the United States, the traditional prime time schedule runs from 8:00 to 11:00 p.m. in the Eastern and Pacific Time Zones and 7:00 to 10:00 p.m. elsewhere.
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判断题

船台装配时，最先吊上船台的基准分段通常是底部分段，其四周一般都没有余量。