However, up to today with the development of social industrialization, especially the advance of building and building technology, the successive appearance of land three-dimensional usage such as high building, overhead railway, underground railway, air corridor, underground market, the wire of high voltage and last sewer etc., at the same time, many problems produced by the ownership and the usage of land space also have been put forward.

然而黄色91大全，時至今日人人干人人操比，隨著社會工業(yè)化的發(fā)展，特別是現(xiàn)代化土木小黄片毛片在线观看、建筑技術(shù)的進步激情视频第一页，高樓大廈、高架鐵路黄色视频AAAA一级片、地下鐵道丰满女人特级毛片视频、空中走廊、地下商場啪视频在线、高壓電線免费AAA一级、上下水道等土地立體化利用情形陸續(xù)出現(xiàn)，同時福利网址在线观看，因?qū)ν恋乜臻g所有和利用所產(chǎn)生的諸多問題也開始被提出美国毛片AAA在线播放。

Presents the considerations in selection of fire dampers of ventilation system for underground garage,ventilation system for rooms with gas fire units,pressurization air supply system, smoke exhaust system in corridor,and air conditioning systems.

介紹了地下車庫通風系統(tǒng)、需設氣體滅火裝置房間的通風系統(tǒng)国产精品久久久精品一级、加壓送風及走廊排煙系統(tǒng)国产精品视频男人的天堂、空調(diào)系統(tǒng)防火閥的選定。

A reduction in groundwater levels and a concomitant increase in soil salinity have reduced vegetation in lower reaches of the river. Tamarix ramosissima is one of the dominant plant species in this riparian system.

在塔里木河下游地區(qū)影響植被正常生長發(fā)育的各種脅迫因子中肏擦网站，地下水位和土壤鹽分是導致&綠色走廊&衰敗的主要因素国产黃色A片视频1。

With development of man-made oases in headstream zone and upper and middle zone of trunk stream zone, the origin water resource system was destroyed. This caused a serial of ecological problem on tobogganing groundwater level, ruining Green Corridor, intensifying land desertification, etc.

源流區(qū)和干流上、中游人工綠洲的發(fā)展被插下面视频，破壞了原有自然水資源系統(tǒng)人人射97，使輸往下游的水量不斷減少至中斷，從而造成塔河干流下游地下水位急劇下降538国产在线视频、綠色走廊衰敗97超碰免费、土地荒漠化趨勢加劇等一系列生態(tài)問題。

Below all these mines which we have just mentioned, below all these galleries, below this whole immense, subterranean, venous system of progress and utopia, much further on in the earth, much lower than Marat, lower than Babeuf, lower, much lower, and without any connection with the upper levels, there lies the last mine.

在我們剛才所指出的那一切坑道下99r在线观看视频精品，在所有那些走廊下处女开破视频，在進步和烏托邦那整個龐大的地下管道系統(tǒng)下，在地下還更深許多的地方GOGO人体无码视频私拍，比馬拉還要低，比巴貝夫也還要低人人操人人肉人人，再往下中国黄色网站大全免费看，再往下深入許多，和上面的那幾層絕無關(guān)系的地方国产AV无码专区久久桃色，還有最低的泥坑999精品无码一级A片。