Soil erosion is one of the most important ecological environment problems in our country, which results in land resource destroy, soil degradation, land productivity decrease, water pollution, river and water storage works aggradation, flood, avalanche, mudrock flow and menace to the life and wealth of people, and so on.

土壤侵蝕問題是目前我國(guó)面臨的主要生態(tài)環(huán)境問題之一，嚴(yán)重的水土流失不僅破壞土地資源亚洲一区精品劲爆儿视频、降低土壤肥力一东京热AAAAA片AAA一、制約糧食生產(chǎn)增長(zhǎng)，還污染水環(huán)境国产又爽又黄又湿的视频、淤積河道和蓄水工程欧美爱爱视频免费，導(dǎo)致洪水、崩塌和泥石流等災(zāi)害頻繁發(fā)生欧美区精品视频、威脅人民的生命財(cái)產(chǎn)等亚洲色区天天干。

The sophistication of C5 Airscape can also be seen in the original design of the folding roof, whose glazed upper part lets light flood into the cabin.

碳五鳥瞰圖的復(fù)雜程度也可以看到在折疊軟頂，上半部分的玻璃原設(shè)計(jì)人人cao96，讓車廂內(nèi)的燈到洪水第四色激情小说。

I have touched a complete Book in the tomb of an Antediluvian, and watched it crumble to dust.

我有精神失常的一完全的書在墳?zāi)怪幸淮蠛樗暗模涂此罎⒌交覊mwww.669aaa.com。

It is therefore inherent to this strategy that the actions taken to reduce the flood risk are not anticipatory but following.

因此大免费片大免费大片免费片大，這是內(nèi)在的這一戰(zhàn)略所采取的行動(dòng)，以減少洪水風(fēng)險(xiǎn)操摸插人人，是不是有預(yù)見性的欧美又大又粗高潮视频欧，但以下

There is no acropolis that the flood of barbarianism can not reach, no ark that it can not eventually sink.

沒有哪座城堡是野蠻主義的洪水不能到達(dá)的，也沒有哪條方舟是它最后無法使其沉沒的直接看的av网站免费观看。

Thousands of people is being have been evacuated to higher ground, following floods that have devastated in the northern state of Bihar.

成百萬的民眾已經(jīng)被轉(zhuǎn)移到更高的地方成年人视频免费在线看，大洪水已經(jīng)摧毀了比伯爾比方的城鎮(zhèn)。

But despite the great flood of words into English from Latin, Old Norse, French, and later other languages, the heart of the language remained the Old English of Anglo-Saxon times.

但是a级黄色的网站，盡管大洪水的話譯成英文來自拉丁美洲伊人国产在线观看，古代北歐，法國(guó)欧美性爱视频黑白配，以及后來其他語言的核心黄视频在线品，語言仍然是古英語的盎格魯撒克遜時(shí)代。

It still blows across the vast flooded plains of the Irrawaddy delta.

巨大的洪水任然沖擊廣闊的irrawaddy 三角洲精品视频二区。

In fact, the Karakoram presents two rather different groups of outburst floods.

實(shí)際上日韩中文无码手机下载网站大全，喀喇昆侖的冰川湖洪水暴發(fā)可以分為截然不同的兩種。

Muelmar Magallanes, an 18-year-old Filipino, braved rampaging floods triggered by Typhoon Ketsana and saved more than 30 people in a riverside village near Manila Saturday, but ended up sacrificing his life in a last trip to rescue a baby girl who was being swept away.

據(jù)法新社報(bào)道大黄片坐爱视频，26日在菲律賓首都馬尼拉附近的一個(gè)村莊国产精品国产三级传区网站，18歲少年穆埃爾瑪·馬加利安斯在臺(tái)風(fēng)&凱薩娜&引發(fā)的洪災(zāi)中救出至少30人，而自己卻在救出一名女嬰后被洪水沖走不幸遇難性色av一区二区三区V视界影院。