nozzle opening meaning in English

纺丝孔
接管开孔
喷管口
喷口
喷油孔

Nop nozzle opening pressure
喷油嘴开启压力
The results showed that the range of target finishing temperature can be provided and kept on in an energy - saving manner with lower frequency of spray nozzle opening if opening reversely but closing forwardly the cooling valve for inter - stand spray during water cooling
对两种截然不同的机架间喷水冷却阀门开启逻辑做了计算分析，结果表明，逆向开启机架间喷水冷却阀门，顺向关闭阀门，能以较少的喷嘴开启数达到终轧温度目标范围，并且可以节约能耗。