Some hidden underground pipeline irrigation must be done before the trial can be hidden after passing.
埋地部分管道隐蔽前必须做灌水试验，试验合格后方可隐蔽。
This will promote the farther spread of permanent pipeline sprinkler irrigation system.
为促进固定式管道喷灌系统的进一步推广提供了新的证据。
The plastic hose has been broadly used in farmland irrigation of low pressure water transfer pipeline.
塑料软管被广泛应用于农田低压输水灌溉，但至今其水力特性仍未被充分研究。
The natural water resources usually cannot meet the normal growth of the turf to water. Thus, the fixed pipeline type sprinkler irrigation system is widely applied to make up the water in turf.
自然水资源通常不能满足草皮正常生长的需水量，因而，在草坪中，广泛采用固定管道式喷灌系统进行人工补水。
The natural water resources usually cannot meet the normal growth of the turf to water. Thus, the fixed pipeline type sprinkler irrigation system is widely applied to make up the water in turf.
自然水资源通常不能满足草皮正常生长的需水量，因而，在草坪中，广泛采用固定管道式喷灌系统进行人工补水。
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