- [机] 泵必需的汽蚀余量
- required net positive suction head: 需用净正吸入压头
- net positive suction head of pump: 泵净吸入高度
- npshr net positive suction head required: 要求汽蚀裕量
- required net positive suction head rnpsh: 需求吸水净扬程
- net positive suction head: 净吸入扬程; 净吸引压头; 净压吸头; 净有效吸水头; 净正吸高差; 净正吸入压头; 净正吸升水头; 净正吸引压头; 气蚀余量; 汽蚀余量; 真实吸出高度
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