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本文针对我国北方越冬棚室节水灌溉供水管同遭受冻害破坏的特点，提出了相应的防冻害措施及方法，具有一定的代表性及适用性。
In view of the characteristics of water-saving irrigation water pipes damaged by winter in greenhouse of overwintering in North China, this paper puts forward corresponding measures and methods of frost damage prevention, which has some representativeness and applicability.