A thermal expansivity test device consisting of hating unit, attemperating unit, displacement transducer, recorder and so on, was developed to determine the thermal expansivity of new sand, clay-beaded sand, sodium silicate sand, resin bonded sand with the temperature or isothermally.

摘要鑄造用砂熱膨脹性測(cè)試裝置99riav32，由加熱裝置亚洲女优操逼色视频、溫控裝置欧美人与动牲性行为视频、移位傳感器亚洲91av网、記錄儀等組成欧美性交1，可實(shí)現(xiàn)鑄造用原砂（亦可用于粘土型砂国产高清A片在线观看视频、水玻璃型砂、樹(shù)脂型砂等）的隨溫和等溫?zé)崤蛎浶詼y(cè)試99欧美午夜一区二区福利视频。

Two methods of correlation of parasequence are put forward in fan delta and near shore sub-water fan sedimentary environment.

提出了在扇三角洲和近岸水下扇沉積環(huán)境中沿物源方向的相序遞變對(duì)比法和垂直物源方向的侵蝕疊置對(duì)比法2種準(zhǔn)層序?qū)Ρ饶Ｊ揭约霸谏热侵蕹练e環(huán)境中沿物源方向的扇三角洲前緣亞環(huán)境中的層組相變對(duì)比模式和近岸水下扇環(huán)境中疊置砂體對(duì)比模式日韩在线免费观看视频、相變對(duì)比模式、薄砂層對(duì)比模式日韩成人观看软件免费、相似漸變等5種層組對(duì)比模式插人人操批污在线。

In recent years,the subtle oil and gas reservoirs in Heidimiao Formation of Daqing have been studied,and great breakthrough has been obtained theoretically.But there are still some difficulties in identifying clearly the river channel sand-body,fan delta,sheet sand and so on at various depths.

摘要幾年來(lái)，大慶地區(qū)黑帝廟油層隱蔽油氣藏的研究在理論上取得了重要突破黄片国产视频大全，但在地震上如何清晰識(shí)別不同埋深的河道砂體一级毛片r级在线播放、扇三角洲、席狀砂等特殊異常體還存在一定困難免费观看黄色网站一区二区。

But there are still some difficulties in identifying clearly the river channel sand-body,fan delta,sheet sand and so on at various depths.

幾年來(lái)美国一级做受，大慶地區(qū)黑帝廟油層隱蔽油氣藏的研究在理論上取得了重要突破，但在地震上如何清晰識(shí)別不同埋深的河道砂體91国语露脸精品国产电话、扇三角洲亚洲黄色精品网站、席狀砂等特殊異常體還存在一定困難。

Proposed the exist dam plus new fishway and new check dam with fishway design are presented for reference here.

最后提出既有防砂壩加設(shè)魚(yú)道與新設(shè)防砂壩附設(shè)魚(yú)道之設(shè)計(jì)步驟亚洲日韩欧美另类一区二区全部，提供設(shè)計(jì)參考使用精品视频网站,国产视频网。

Due to the difference of the terrain and rainfull between Taiwan and the other countries, the fishway of the check dam in Taiwan can not be completely imitated from other country. Therefore Slopeland Engineering Lab of Department of Soil and Water Conservation , NCHU makes a series of experiment in fishway of the check dam from 1998-2008. The experiments focus on structure of inclined section、horizontal section and U-turn horizontal section of the fishway.

有鑒於國(guó)內(nèi)外地形及降雨條件的差異，臺(tái)灣的防砂壩魚(yú)道不能套用國(guó)外魚(yú)道經(jīng)驗(yàn)越南美女x屄视频，因此國(guó)立中興大學(xué)水土保持學(xué)系坡地工程研究室於1998年起至2008年不斷進(jìn)行防砂壩魚(yú)道構(gòu)造試驗(yàn)之模擬18岁禁看美女免费3级黄片视频在线观看，分別探討?hù)~(yú)道的傾斜段、水平段與回頭彎段構(gòu)造應(yīng)用與水理分析精品视频久久。

Frosted glass is one of the methods for glass decoration .

玻璃蒙砂裝飾是玻璃裝飾中的一種高清的无码的免费的毛片视频，經(jīng)過(guò)蒙砂裝飾的玻璃制品可以大大提高商品附加值。

The urea-formal dehyde resin, polyurethane resin and SiC sand were used to modify the furan resin sand respectively.

分別采用脲醛樹(shù)脂人人横人人操人人搞、聚氨酯及SiC原砂作添加劑黄色在线网站在线，對(duì)呋喃樹(shù)脂砂進(jìn)行改性。

The results show that change trend of SPV with time follows gamma distribution and SPV has a peak value.

結(jié)果表明国产91熟女高潮一区二区，出砂量隨時(shí)間的變化趨勢(shì)遵循伽馬分布規(guī)律在线H无码视频，出砂量存在峰值。

A hollow digestive organ, especially the stomach of certain insects or the gizzard of a bird.

消化器官999国产高清在线精品，胃十八禁在线看，中腸，砂囊一種中空的消化器官最爽的乱婬视频婬色视频，尤指某些昆蟲(chóng)的胃或者鳥(niǎo)的砂囊