drainage 雅思GRE四级六级

Bad drainage caused the land to be flooded.

水不利容易使土地淹水。

The defect in the drainage must be remedied.

这水系统的缺陷该设法补救。

The auxiliary shaft topsoil adopted ordinary construction and drainages in hygrometric well.

屯留煤矿副井井筒表土段采用普通法施工,利用井外降水井疏干降水。

If hematoma spread to front temporal occipitoparietal,use biforate,double tube to drainage.

如血肿波及额颞顶枕部,则采用双孔、双。

Results The drainage effect of LCTMSH group was equal to that of the contrast group,it did not increase the pain of patients,and did not make the pneumatothorax and thorax infection.

结果单根多侧孔长胸效果完全同对照组,并无增加患者之痛苦,无拔时造成气胸,无并发胸腔感染。

It can also provide products of drainage area hyetal statistics and forecast, and give the decision-making service of flood prevention for all government departments and flood prevention department.

主要介绍湖北省防汛决策气象服务系统的系统结构、主要功能设计、软件实现方法、以及近几年的试验运行情况。

Rising the temperature continuously , when it in the valves runs over the temperature of drainage, the detrusion of top material causes the port A close.

阀门有一定开度，开始工作时，冷凝水与空气从A口迅速。随着温度升高，感温元件(阀芯)内的顶杆，向A口移动。

Rising the temperature continuously , when it in the valves runs over the temperature of drainage, the detrusion of top material causes the port A close.

温度继续升高，阀内温度超过该阀感温元件所水温度时，顶杆的位移使A口关闭。

Effects of polyvinylamine prepared by basic hydrolysis of poly(N-vinylformamide) on paper strength, drainage and retention of reed pulp and wheat straw pulp were investigated.

研究了由聚N-乙烯基甲酰胺的碱性水解得到的聚乙烯胺在芦苇浆和麦草浆造纸中对纸张的增强、助滤和助留作用。

By using sulpho acid to dissociate samples, using spectrophotometric method to determine micro-chrome in drainage sedimentary is very easy and simple with low cost.

采用王水分解样品,分光光度法测定水系沉积物样品中微量铬,方法简便,易操作,成本低。

Introduce An Shun's Power plant a Term clotted water depurate equipment's drainage technic change.Change before or anon contrast, sopite design technic existed problem.

介绍安顺发电厂一期凝结水精处理再生水系统技术改造前、后运行情况，解决原设计上存在的技术问题。

To study the effectiveness of inserting central venous catheter was inserted into pericardial cavity for the drainage and treatment of lung cancer hydropericardium.

研究中心静脉导持续心包并注入顺铂、白细胞介素Ⅱ等对治疗恶性心包积液的疗效。

Objective To investigate the therapy with trepanation and drainage for hypertensive cerebral hemorrhage at the department of emergency at super early stage.

目的探讨急诊超早期应用钻孔术治疗高血压脑出血的意义。

The microturbulence prevents premature “sealing” of the sheet against “the wire, thus keeping the sheet open for drainage and minimizing wire making.

微小湍动可以防止纸页与网部接触处过早被堵死，因此可以保持湿纸页纤维结构开以利于脱水。

Objective:To observe the effects of thoracostomy closed drainage combined with highly agglutinative staphylococcin(HASL) in the treatment of malignant pleural effusions.

观察胸腔持续闭塞联用高聚生治疗恶性胸腔积液的疗效。

Objective To investigate the cause,development mechanism and utility treatment of thoracic cavity hemorrhoea after the closed drainage for spontaneous pneumothorax.

目的了解自发性气胸闭式术后胸腔大出血的原因、发生机制及有效治疗方法。

42 cases experienced LC, 3 cases experienced open choledocholithotomy (OC), 2 cases experienced OC and choledocholithotomy of T tube drainage.

结果42例成功LC,3例中转开腹胆囊切除术,2例开腹胆囊切除术加T。

Gastrocolic ligament was incised with electrotome by laparoscopy.Drainage-tube was placed in omental burse and lesser omentum for douche and drainage.

在腹腔镜下用电刀切开胃结肠韧带,于网膜囊、小网膜孔处置冲洗。

Objective: To investigate the therapy method and effect with trephination and drainage for acute epidural hematoma.

探讨钻孔治疗硬膜外血肿的方法及效果。

Objective To evaluate the clinical significance of gastroduodenal septostomy internal and external drainage in the treatment of pancreatic pseudocyst.

探讨对胰腺假性囊肿胃、十二指肠隔障造口内外术的临床价值。