两管的

Methods: The twenty one cases by retroperitoneal laparoscopic ureterolithotomy and 20 cases by open ureterolithotomy were reviewed retrospectively.

回顾性分析21例后腹腔镜输尿管切开取石术和20例开放性输尿管切开取石术患者的临床资料，比较两组手术时间、手术并发症、术后肠功能恢复时间、术后使用抗生素时间、术后拔除引流管时间、术后拔除导尿管时间、术后住院时间、总住院费。

The one missent must be first attended to; it had been written five days ago.

那两封信送来的时候，他们刚刚要出去溜达；舅父母管自己走了，让她一个人去静静地读信。

The characteristics of initial combustion in gun chamber concerning the surface treated azidonitramine propellant s with desensitizing and coating were studied by means of experiments.

通过30mm短管炮内弹道试验和点火模拟装置试验，研究了钝感与包覆两种不同表面处理工艺的叠氮硝胺发射药膛内起始燃烧性能。

Afte GVBD, the two MTOCs begin to organize the meioses spindle. The animal pole process retracted back and the polar body extruded from the site of former animal pole process.

生发泡破裂后，两个微管组织中心组织形成减数分裂纺锤体，然后第一极体以&收缩-排出&的独特方式排出。

Based on the contrast of grouting and redriving between floating pipe piles, the latter should be adopted preferentially in soft soil foundation.

通过对浮桩进行注浆和复打两种方法的对比研究表明：在软土地基中处理管桩浮桩应优先采用复打措施。

With the advantages of higher-efficiency, energy-saving and precise temperature -control, which the ordinary heat pipes don't possess, the Capillary Pumped Loop has numerous potential application in many high tech fields, for example the heat-transfer control on aircraft and the cooling of electronic devices, etc.

毛细抽吸两相流体回路拥有高效、节能、温控精度高等普通热管所不具备的优点，在航天热控和电子器件冷却领域具有广阔应用前景。

These cut tobacco were filled into the empty cigarette tubes of brand A and B by a CMB-120 LAB CIGARETTE MAKER machine.

用CMB-120实验室卷烟机将这些烟丝分别填充到A和B两个牌号的空烟管中后，测定了烟支烟气烟碱量和总粒相物游离烟碱量，并进行了感官评吸。

The method chooses 50 diagnose to be big, medium the bosom of the quantity accumulates fluid patient, cent puncture smokes fluid and buy canal drainage two groups, unified form records observation, make earning material statistical analysis.

方法选择50例确诊为大、中量的胸积液患者，分穿刺抽液及置管引流两组，统一表格记录观察，将所得资料作统计分析。

The drainage tube will be ready to be taken out after a day or two and bandages can be taken off the face and head anywhere from one to five days, depending on the specific patient.

该引流管将随时准备采取走出了一整天后，两个和绷带可以被取下的脸部，头部随时随地从4时59天，视具体病人。

The problem of measuring flow rate and mass dryness fraction in the same time during thermal recovery of heavy oil is solved by combining orifice plate with uniform velocity tube and on line measuring double parameters of two phase flow of steam and water.

利用孔板与均速管组合在线测量汽—水两相流双参数，解决了稠油热采中同时测量蒸汽流量与干度的难题。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷