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在喷灌工程中,管道的投资占总投资的比重较大。为了加速喷灌工程的大干快上,必须采用制管的新工艺,以降低管道的造价。
In the sprinkler irrigation project, the pipeline investment accounted for a larger proportion of the total investment. In order to speed up the sprinkler irrigation projects, we must adopt the new technology of pipe making to reduce the cost of pipelines.