查询词典 drainage

The survey and investigation resuits indicate that patchy and sporadic permafrost, mosaicked by extensive presence of taliks or seasonally frozen ground and drainage patterns, accounts for 40% of the total permafrost area along the pipeline route. The permafrost along the pipeline route has been in rapid degradation due to the combined effects from dramatic climate warming and ever increasing human activities.

考察研究结果表明：管道沿线多年冻土在各类融区、季节冻土和水系等分隔作用下呈片状或岛状分布，沿线岛状、稀疏岛状及零星岛状占多年冻土区段的40%左右；管道沿线多年冻土随着气候的转暖和人类活动的影响不断退化。

He usable with can reach more than 5m; but the level adjusted is less than 800mm; especially suitable for the drainage in the ditch where the sewage water is alternatively oxygenized, or for the distribution in large type of distributing well.

YX 型密封性效果好，几乎达到0泄漏状态，适用宽度可达5m 以上，但调节水位一般在800mm 以下，特别适用于交替运行的氧化沟排水，或大型配水井配水，配套专用启闭装置，仅需注明手动或电动即可，无需另外选用启闭机。

Methods 83 patients with malignant obstructive laundice were palliated by means of drainage with ERCP and PTBD.

目的：探讨老年恶性梗阻性黄疸行ERCP或PTBD的临床应用价值。

PEG seems to be an effective method for palliating malignancy intestinal obstruction and suitable to replace nasogastric tube for gastrointestional drainage.

PEG操作简便、安全、有效、并发症少，可以代替鼻胃管进行胃肠减压。

Reducing the size of patios or other paved surfaces will also aid internal drainage.

减少了院子或其他铺设路面也将有助于内部排水的大小。

Acute perforating Objective To study the clinical value of peritoneal cavity non - drainage after the operation of appendicitis.

目的探讨穿孔性阑尾炎术后不放置腹腔引流对临床疗效的影响。

4Economic different between drainage and concretion and extrusion with sand pickets are analyzed.

分析比较了排水固结法与挤密砂桩处理软土地基的工程经济性。

In order to study the law of nitrogen leaching losses from the ponded paddy rice field under the conditions of drainage, based on the theories of potential energy and solute transportation a dynamic mixed simulative model for water and nitrogen in the field is suggested in this paper with combining the methods of stream-web and dynamics.

为研究淹灌稻田在排水条件下的氮素淋失规律，根据势能理论及溶质运移理论提出了流网法与动力学方法相结合的田间水氮动态混合模拟模型。

On the other hand, a large postclosure settlement is undesirable from a maintenance point of view, since it may lead to surface ponding, development of cracks in soil materials, tearing of the geomembrane, and damage to the geocomposite drainage layer.

为了保证垃圾填埋场的安全可靠，诸如填埋场最终覆盖系统、衬垫系统、渗滤液收集和运输系统不至于因为垃圾土过大的不均匀沉降而破坏等问题，因此，垃圾填埋场的沉降规律一直是填埋场研究中的重要课题。

A Thai-style massage with herbal compresses, is a fusion of massage techniques such as patting, pounding, pummelling, pressure point massage, drainage and stretching.

一泰国式按摩与草本压缩，是一个融合的按摩技术，如轻拍，冲击， pummelling ，压点按摩，排水和伸展。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。