Operculate seasnail of coastal waters with a short spiral shell.

濱海水域中有鰓蓋骨的海螺，螺殼短而呈螺旋形中字在线中文字幕。

A strand reciprocator (30) is mounted to guide the strand from edge to edge of the package and to lay the strand in a helical pattern on the package surface (20) as the package (19) rotates.

絲束往復(fù)抖動器（30）被安裝成在卷裝（19）轉(zhuǎn)動時從卷裝的一邊到另一邊地引導(dǎo)絲束并呈螺旋形型式地將絲束鋪放到卷裝表面（20）上在线欧美性色妞AⅤ高清视频。

Old Rockaway's boardwalk was crowned each summer night by a spiral21 necklace of lights that lined the tracks of the giant roller coaster we called the "Sinnig Railway".

每到夏天的夜晚，在洛克威海灘的木板路上方欧美日韩在线一区不卡二区，都會有一圈圈呈螺旋形的電燈，安裝在龐大的過山車軌道上性无码专区无码视频在线观看，我們稱之為"關(guān)關(guān)軌道"好男人视频在线社区www。

Generally,it is considered that cotton fibre is a column and its surface is smooth.The surface structure of Xinjiang long fine hair cotton is researched by using electronic microscope scanning (S-570 Japan).The result shows that the cotton fibre is not a column,but is spiral.The fibre of only 15%does not twist.The surface of the fibre is not smooth,and there are burrs on it.These characteristics would be another important factor effecting the stickability of cotton.

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The Milky Way galaxy appears gyroidal and its central is white and yellow, balck and blue the next, blue and purple outside.

銀河系呈螺旋形，中心為白国产孕妇和黑人在线观看、黃三日本三级少妇三级，漸次為青、藍(lán)欧美激情第一欧美精品完整版，外緣為藍(lán)呻吟人妻一级无码AV、紫一级一级一级一级毛片。

Patterns in Nature: Flowers Beads of dew cling to the florets that spiral inside a sunflower head.

露水般的珠子附著在小菊花，它的內(nèi)部呈螺旋形還有一個向日葵的頭部69国产精品视频免费AAAA。

Beads of dew cling to the florets that spiral inside a sunflower head.

露水般的珠子附著在小菊花国产一级毛片AAA高清，它的內(nèi)部呈螺旋形還有一個向日葵的頭部。

Beads of dew cling to the florets that spiral inside a sunflower head.

珠子的露水附著在小花上又粗又硬又黄的淫秽视频，那呈螺旋形向內(nèi)的向日葵花頭高潮喷水网站。

Patterns in Nature: Plants Fern fronds spiral in North Carolina's Blue Ridge Mountains.

意譯：植物在自然界的模式。蕨類植物體呈螺旋形在北卡羅尼納的藍(lán)色山脈欧美一级高清在线播放。

Fern fronds spiral in North Carolina's Blue Ridge Mountains.

蕨類葉狀體呈螺旋形的在美國北卡羅萊納州藍(lán)嶺山脈欧美精品一区二区三区视频在线播放。