The research reveals that, with the development of RCCD construction technology, the construction of RCCD in the cold and drouthy zone is both economic and feasible, but certainly must pay attention to the construction craft, guarantees the construction quality of the roller compacted concrete.

研究表明，隨著碾壓混凝土施工技術的發(fā)展ww黄色一级视频，在寒冷干燥地區(qū)修建碾壓混凝土壩是經(jīng)濟可行的，但一定要重視施工工藝，確保碾壓混凝土的施工質量美女扒开腿让男人桶爽动漫。

And we to be there, mavrone, and you to be unbeknownst sending us your conglomerations the way we to have our tongues out a yard long like the drouthy clerics do be fainting for a pussful.

242&我們就呆在那兒，乖乖国产精品黄的在线观看，把舌頭耷拉得一碼長人妻毛片，活像那想酒想得發(fā)昏的干嗓子教士。你呢国产玖玖在线播放，也不知道躲到哪兒去了超碰97在线免费观看，居然還給我們送來了這么個玩藝兒。&

We measured soil microorganism activities, microorganism diversity and enzyme activities in extremely drouthy region in Tarim with 5 different cultivations,in order to show the influences of agricultural practices on soil ecosystem.

采集有代表性土樣對塔里木極端干旱區(qū)5種土地不同利用方式土壤微生物活性日日摸日日搞日日射、土壤微生物多樣性和土壤酶活性進行了測試欧美在一区。

drouthy：干旱的

drouth 久旱 | drouthy 干旱的 | drove 駕駛