Contour pling with or without terraces is one of the best systems adapted to cultivation management on rolling or sloping land.
等高栽植是适于坡地或起伏地的最好栽培管理的方式之一。
2
Water is also used as a coolant for rolling - mill roll to maintain their contour and lengthen their service life.
热轧机的轧辊也需用冷却水来保持轧辊的外形和延长它的使用寿命。
3
In the online strip shape control model during hot rolling, accurate prediction of the comprehensive contour has a direct influence on the accuracy of strip shape control model.