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英語人>網(wǎng)絡例句>frustules 相關的網(wǎng)絡例句
frustules相關的網(wǎng)絡例句

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The frustules of dead diatoms are highly resistant to decay, and form deep sediments on the floors of oceans and lakes called diatomaceous earth or kieselgubr, which is used in insulating materials, fireproof cements, filters, and in the manufacture of explosives.

死亡的硅藻細胞壁不容易腐爛喷射97人人操,在海洋或湖低沉積形成硅藻土欧美国产亚洲日本韩国VA,可用作絕緣性插进去啪啪视频呢,耐火人人操人人操人人舔,填充啪啪啪福利视频,磨光等材料亚洲字幕在线第6页,又可以供過濾液體使用。

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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根據(jù)市場情況和市面上產(chǎn)品的情況分析了攝像機技術的發(fā)展趨勢中文字幕在线播放欧美日韩,并設計了一款彩色夜視攝像機十八操逼视频。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和齜牙咧嘴的神像。

This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.

這一引人注目的地域范圍6080新觉伦午夜理论无码,比喜馬拉雅山更加陡峭爱情岛论坛福利永久首页,是處于西藏東部邊緣的朝上翻的邊框地帶。響應啟始于約5500萬年前的最新国产三級片、緩慢的但卻不可阻擋的印度與亞洲地殼板塊碰撞色91视频综合,高原已上升至五千米,這種碰撞持續(xù)至今无遮无挡爽爽免费视频毛片,毫無衰退91cao。