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我队塑料大棚滴灌黄瓜,每个大棚面积为1.5亩,输水管路为聚乙烯塑料管,干管、支管、毛管的规格分
My team plastic shed drip cucumbers, each shed area of 1.5 acres, water pipes for polyethylene plastic pipe, trunk, branch pipe, capillary specifications