Unconstrained quench of medium steel plate adopt round nozzle impinging jetcooling mode, and steel plate is cooled during being pushed ahead.
中厚板无约束淬火主要采用上下集管圆形射流冲击冷却方式，使淬火钢板在向前行进的过程中得到冷却。
2
One of his tasks is to use a computer-controlled machine tool to burn tiny cooling holes electrically in 3-inch-long turbine blades for aircraft jet engines.
他的工作职责之一就是用机控机床为喷气式飞机引擎的3英尺长的涡轮机叶凿出小孔。
3
Dry plasma cutting: also called the air-filled type cutting, the air compressor to plank cut in order to achieve the effect of cooling seam jet, such cutting costs low, but pollution is very large.