定义 中文名称: 净水头 英文名称: net head 定义: 水轮机进口与出口测量断面的位置水头差、压力水头差和速度水头差之和。是总水头扣除引水系统发生的水头损失,用于水轮机做功的有效水头。 应用学科: 电
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maximum net head 最大净水头
effective net head 有效净水头
net positive suction head 净正吸入压头 ; [力] 汽蚀余量 ; 净吸入头
mean net head 平均净水头
normal net head 标准有效压头
available net head 有效净压头
net pressure head 有效落差 ; 净压头
head net 头罩
net pump suction head 泵的净吸压头
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N-COUNT If you call someone a nethead, you mean that they spend a lot of time using the Internet. 互联网用户 [非正式]
He is a net head while his girlfriend is a wire head.
他是网虫;然而他的女友是计算机迷。
The power generated by moving water is a product of Net Head and Flow Volume (through the water wheel or device).
由流动的水所产生的电力是产品净头和流量(通过水轮或设备)。
Kelly has scored two goals in two games for England U21s during this international break - and Clarke was delighted to see the youngster net with his head on Monday.
凯利在英格兰u21的两场国际比赛中攻入2球,克拉克很高兴看到这名年轻后卫在周一用头球破门。
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