壋字的意思

介绍了垄向区田技术中最佳垱距、土垱厚度、应用范围的确定及其应用中应注意的问题。

The paper introduces the determination of the optimum weir space, the thickness and application limits of the technique and matters needing attention during application.

介绍了垄向区田技术中最佳垱距、土垱厚度、应用范围的确定及其应用中应注意的问题。

The paper introduces the determination of the optimum weir space, the thickness and application limits of the technique and matters needing attention during application.