问题描述：
英语翻译
3 pieces for each pipe as a start,but the yearly quantity for this kind of column pipes is about 3 pieces for both together.
那位大侠帮忙理顺下逻辑 机器的滚开
3 pieces for each pipe as a start,but the yearly quantity for this kind of column pipes is about 3 pieces for both together.
那位大侠帮忙理顺下逻辑 机器的滚开
问题解答：
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