An oxygen-bubble and white-light speckle velocimetry method is presented.Instead ofpulsed laser and commonly used particle,a sheet like-bubble mass generated from anade wire byeletrolysing water is used as particle tracer,a white light flash set controlled by digital time delaycircuit is used as double pulsed light source,and 2-D velocity distribution in a sectional planewithin flow field can be obtained without using light sheet technique.

提出了一種氧氣泡粒子白光散斑測速技術(shù)，與以往散斑測速方法不同的是黄片免费观看不卡，采用電解水時(shí)電解陽極絲上產(chǎn)生的氧氣泡做為流場示蹤粒子女人被C桶爽视频免费下载，用兩個(gè)閃光時(shí)間間隔由數(shù)字延時(shí)電路控制的普通閃光燈做為散斑底片拍攝時(shí)的雙脈沖光源，并且勿需片光技術(shù)18岁禁看www，即可獲得流場內(nèi)部一個(gè)截面上的二維速度分布。

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Red, white and blue three color in a signalingdevice to give people sense: Red is a warm, white simplehearted, blue was able to embody a kind of goods and materials.

紅黄色网站直入、白、藍(lán)三個(gè)色相同時(shí)出現(xiàn)在一個(gè)包裝上又紧又爽视频，給人感受的是：紅得熱烈国产操屄，白得純潔，藍(lán)得莊重亚洲美女偷拍视频，體現(xiàn)一種商品物資的美黄色网站免费用看片。

White are emitted, dilatational, minglang, airy feel, with qingjing, simplehearted, yuanti resilientmanner, and the dual nature as white.

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The prince and his entourage in the removal process, it was careful not to be tripping over this rock, let a poison apple from Snow White's mouth you to cough up, Snow White has regained consciousness.

王子和他的隨從在搬運(yùn)的過程中，有人不小心被絆倒偷拍网站网址，這一搖晃美女黄频视频久久，讓一片毒蘋果由白雪公主的嘴中咳出，白雪公主也蘇醒了欧美黄色A片免费在线观看。

Window Piaoqi a goose feather snow white on the ground quickly, and as the shop had a thick layer of white carpet.

窗外飄起了鵝毛大雪国产精品大乳在线观看，地上很快變白了√天堂中文www官网av，像鋪了層厚厚的白地毯。

There's one cut where you see the red-tinged Japanese maple leaves on the white snow-covered road, and the camera pans up and you see the whole white snowscape.

當(dāng)你們看到白雪覆蓋的路上落滿妃紅色雞爪楓葉時(shí)免费日韩A级片，影片在這里有一個(gè)場景切換亚洲日本一区二区三区。攝影機(jī)被拉高，能夠看到整個(gè)白色雪景欧美熟妇性XXXX交20p。

The leaves and stems of these bizarre-looking plants, with dark green, heart-shaped leathery leaves and a scarlet, white or green spike surrounded by a red, pink or white "spathe," are toxic.

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