The selection Nuozhadu Hydropower Station rated head;
糯扎渡水电站额定水头选择
In view of the large head variation in Longtan hydropower station and the turbine′s operation stability,this paper gives suggestion to raise the rated head of turbine or set a maximum capacity of generator of continuous operation .
由于龙滩电站水头变幅较大 ,考虑水轮机运行稳定性 ,建议提高水轮机额定水头或设置可连续运行的发电机最大容量。
With the help of many design institutes,data of domestic turbines has been collected,then the method of enveloping regression is chosen,and the rule between the specific speed of turbine and the rated head is analyzed.
从近年国内研制及使用的水轮机资料中,采用包络回归分析法分析了比转速和额定水头间的规律,通过多种回归模型的计算分析得出了相应的统计公式。
of Upper Devonian-Yingtang Fm.
桂北地区浅水碳酸盐台地上泥盆统额头村组—下石炭统英塘组有孔虫十分丰富 ,可划分为 10个组合带 ,每个带均可进行大范围对比 ,是研究泥盆系 /石炭系界线及建立以有孔虫谱系演化特征为标准的杜内阶 /维宪阶界线的重要依
a high fence, forehead, mountain
高的栅栏、 额头、 山
He touched her feverish head.
他摸摸她发烫的额头。
She passed her hand across her forehead.
她用手抹了一下额头.
Her forehead was flushed with fever.
她因发烧而额头发红。
Sweat beaded up on his forehead.
他额头上渗出点点汗珠。
drops of perspiration rolling down one's forehead
从额头上滚落的汗珠.
Does my forehead not please you?
我的额头不好看吗 ？
He hit his forehead (against the wall) as he fell.
他摔倒时, 额头磕着了（墙）.
To cut(hair)in bangs.
把（前额头发）剪成刘海式
He passed his hand across his forehead (his fingers through his hair).
他用手摸摸额头(用手指梳理头发)。
There was a profuse crop of hair impending over the top of his face.
一大绺头发垂在他额头上。
A lock of hair that grows from or falls on the forehead, especially the part of a horse's mane that falls forward between the ears.
额发，前发，额毛由额头生出或披在额头上的毛发，尤指垂在马耳之间的那部分马鬃
wreathe a poet's brow with laurel
用桂冠装饰诗人的额头; 把桂冠戴在诗人的头上
Until this day and for how long a time!
唐太斯的额头冒出一阵冷汗。
His forehead knitted into a perplexed frown.
他的额头皱成一愁眉苦脸。
Balance in hand or cash in hand
手头余额或手头现金
A tuft of hair, especially a forelock.
额前的一绺卷发一缕头发，尤指额发
She struck her forehead with her clenched fist.
她握紧拳头打着前额。