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- The stick of carbon is often used in an electric arc lamp. 碳精棒常用于电弧灯。
- The sun appears to move in an arc across the sky. 太阳看起来在天空以弧线运行。
- The iron rod supporting the valances was bent in an arc. 挂窗帘上部短幔的铁棍弯成了个弓形。
- The iron rod support the valance is bend in an arc. 挂窗帘上部短幔的铁棍弯成了个弓形。
- The rainbow described an arc in the sky. 彩虹在天空形成了一道圆弧。
- an arc lamp 弧光灯
- An arc is a part of the circumference of a circle or other curved lines. 弧是圆周或曲线的一部分。
- The arc lamp is very useful in movie shooting, and screening. 弧光灯在电影拍摄和放映的过程中有很大的用处。
- The beach swept around in an arc. 海滩呈弧形伸展开来。
- An arc is a portion of an ellipse. 弧线是椭圆的一部分。
- Yes, it's an arc of different colors. 妈妈:是的。就是一个有不同颜色的弓形。
- The first figure is an arc followed by a line. 第一个图形是一段弧,后跟一条直线。
- The iron rod supports the valance is bentin an arc. 挂窗帘上部短幔的铁棍弯成了个弓形。
- Measured by an angle or by degrees of an arc. 用角测量的，用弧度测量的
- The rainbow described an arc in the dark sky. 彩虹在昏暗的天空划出了一道圆弧。
- The rainbow forms an arc in the sky. 彩虹在天空中呈一个弧形。
- The sun moves across the sky in an arc. 太阳横越天空作圆弧运动。
- Arc lamps require a current-limiting ballast. 弧光灯需要一个限流镇流器。
- His arm described an arc in the air. 他的手臂在空中划出一道弧形。
- Choice a xenon arc lamp, it uses air-cooled, full-spectrum, 2000W. Recommends replacing lamp every 1500 testing hours. 选用1只美国原装进口风冷式氙灯光源;功率2000W;建议试验时间达1500小时后进行更换.
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
