- [機] 泵必需的汽蝕余量
- required net positive suction head: 需用凈正吸入壓頭
- net positive suction head of pump: 泵凈吸入高度
- npshr net positive suction head required: 要求汽蝕裕量
- required net positive suction head rnpsh: 需求吸水凈揚程
- net positive suction head: 凈吸入揚程; 凈吸引壓頭; 凈壓吸頭; 凈有效吸水頭; 凈正吸高差; 凈正吸入壓頭; 凈正吸升水頭; 凈正吸引壓頭; 氣蝕余量; 汽蝕余量; 真實吸出高度
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