查询词典 drainage-tube

PVC subdrainage is one kind of advanced drainage techniques developed inrecent years in the world.It will have a promising future of wide application incontrolling the threat of waterlogging,reclamating the lower—yield lands and re-constructing the lands with higher and stable crop yield in the lower reach polderareas along Changjiang River.

塑料暗管排水是世界上新近发展起来的一项高科技排水技术，对防止长江下游圩区三麦渍害，改造中低产田，建设高产稳产农田具有广阔的应用发展前景。

It is the key of making tunnel construction management plan and drainage design to predict accurately the seepage water volume in subsea tunnel.

涌水量预测是海底隧道防排水设计和施工措施制定的依据。

Good surface/subsurface drainage is essential.

良好的表面/地下排水系统是必不可少的。

Subsurface irrigation, also called sub-irrigation, can be considered as a controlled drainage system.

地下灌溉可以看作是一个有控制的排水系统。

Oxygen and carbon isotope of the carbonate sediments separately indicate lake waterδ~(18)O andδ~(13)C_,δ~(18)O indicates the volume of the input water which is a good index of Lake water level changes;δ~(13)C_ indicates the degree of the exchange between the lake and the atmosphere and indirectly indicates the ice cover time controlled by the temperature.3. Environmental changes in Lake Sugan drainage area during the past 2670 years reconstructed by mul-index synthesis analysis indicates that during

沉积物碳酸盐氧、碳同位素分别反应了湖水的δ~(18)O和δ~(13)C_，δ~(18)O指示湖水体积变化，是湖泊水位变化的良好指标；δ~(13)C_则指示了湖水和大气的交换程度以及入流水量的大小，间接指示了温度控制下的冰封时间长短。3、多指标综合分析重建的苏干湖流域晚全新世近2670年来的环境变化显示，苏干湖2670年来流域持续变干；出现截然不同的两个大的阶段，即

Davey sump and drainage models are built tough for a variety of applications.?

达维水池和排水模式是建立在艰难的各种应用。

In order to quicken the drainage and consolidation of soil, sand drains are usually used as vertical emissaries in soft or supersoft foundation. The working principle, arrangement and design of the treatment of soft foundation by plastic draining plates aresimilar to those of sand drain. Plastic draining plates were applied to the soft foundation treatment project for the Zhujiang Power Station in 1988. According to the tests, the mechanical behavours satisfied the working requirements with such advantages ...

在软土和超软土地基中，为了加速土壤的排水固结，通常采用排水砂井作为垂直排水通道，塑料排水板处理软基，其工作原理、布置方法、设计方法与排水砂井相似，1988年珠江电厂厂区款基加固工程是采用塑料排水板加固地基，经试验，其力学性能满足工作需要，排水的效果良好，施工速度快，降低了地基加固费用。

Amazon River's river system circles fills Peruvian, Bolivian,Ecuadoran, Colombian, Brazilian, Surinam, Venezuela's land, thedrainage area is amounting to 7.05 million square kilometers,approximately composes the South America mainland total area 40%, isequal to African Congo River drainage area two times.

亚马逊河的水系绕灌着秘鲁、玻利维亚、厄瓜多尔、哥伦比亚、巴西、苏里南、委内瑞拉的土地，流域面积达705万平方公里，约占南美大陆总面积的40%，相当于非洲刚果河流域面积的两倍。

He was thrown clear of the car but landed in, or crawled into, a drainage ditch dug to reclaim swampland.

父亲被抛出窗外，落在或者是爬进了一个挖好的用来开垦沼泽地的排水沟中。

the best treatment on csdh is to drill the double cava and continuously swash and drainage.

钻孔双腔管持续冲洗引流是治疗慢性硬膜下血肿的较好手术方式。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。