Phragmite australis is a kind of helophyte,the submergence and the ground water depth have effect on the growth.

蘆葦是一種喜水性植物久久免费无码Av级毛片，地表淹水程度和地下水埋深對蘆葦生長都有明顯的影響。

An ample water supply is probably the greatest advantage of soil submergence for irrigated rice.

大量供水可能對灌溉水稻淹水土壤有很大好處亚洲日韩久久久精品2021。

An air gap below the relief port must be maintained so as to avoid, flooding and submersion of the assembly, which may lead to a cross-connection.

在安全閥端口下方必須配置一個氣隙青久久久国产av，以防止總成被淹或僅在水里時可能出現(xiàn)的交叉連接。

The rice growth and development,evapotranspiration and rice yield under the conditions of submersion,field capacity and 60 %field capacity were studied.

研究了淹水久久免费精品国产72精品九九、田間持水量最近中文字幕免费视频在线、60％田間持水量3種水分條件下水稻生長發(fā)育狀況、蒸散量和產(chǎn)量www。射。

It is in the air that there will be a typhoon this week.

這個地區(qū)淹了水91在线亚洲视屏，這是臺風(fēng)時經(jīng)常發(fā)生的。

The results show that:①The forest soils have the stronger nitrification, but also the nitrification in surface horizon is stronger than the undersoil's.

結(jié)果表明：①森林土壤有較強的硝化活性国产精品无码三级在线播放一区，且表土層比底層土強欧洲一级毛片，同時根際土利于硝化作用進行，根際效應(yīng)R/S在4.5左右一级毛片免费无码播放；②淹水厭氣培養(yǎng)24h这里只有精品美女老师，-N的消失率為52%～58%，占第10天的55%～71%国产经典99久久不卡中国情侣，且表土層-N的消失率比底層土大中文字幕第22页；③參與同化反硝化作用的還原酶活性較強，在培養(yǎng)24h后国产一级a一片免费视频，被還原的基質(zhì)數(shù)量占加入基質(zhì)數(shù)量的70%～90%午夜免费电影网。

Wash canned goods that come in contact with floodwaters with soap and hot water.

接觸過淹水的罐頭物品必須先以肥皂及熱水清洗過。

In fact, they are required to work in waterlogged area effectively.

事實上美国不卡av，它們被要求在淹水地區(qū)有效亚洲另娄视频。

We couldn't move the car as the field it was parked in had become waterlogged.

我們無法移動那部車，因為它停放的空地淹水了欧洲黄色官网。

The effective factor of phosphorous release from soil in Water-Fluctuation-Zone of the Three Gorges Reservoir.;2. The water-fluctuation-zone of reservoir and big river had special environmental characteristics that were a joint of aquicolous and terrestrial ecological system.

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