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Special design multigroup rollover feature device ensures the sawing timber is pressed reliably,which provides safety operation.

特殊设计的多组压紧轮装置，确保木料在锯切时能被可靠地压紧，保证操作安全。

The multilevel password key of control screen ensures the consistent of important system parameters and stability of water quality.

控制屏的多级密码钥匙保证了系统重要参数的一致和水质的稳定。

objective to discuss perioperative complication and management of patient with high risk copd following esophagectomy.methods 45 patients with high risk copd underwent esophagectomy with epidural block combined with general anesthesia.perioperative treatment included smoking cessation,chest physiotherapy,prevention and control of infection of air way and appropriate bronchodilators of air way,breathing exercises,nutrition support and oxygen therapy.painkiller was instilled after surgery,early exercises,ensuring unobstruction of the air way,mechanical ventilation was applied when needed.results 3 had hypoxaemia in operation.after surgery,all patients had spo2 somewhat declined.6 had lung infection.6 were removed of bronchial secretion by bronchoscope.2 were supported by ventilator by using intubation.2 underwent tracheotomy.1 had disturbances of acid base balance and treated by using hydrochloric acid muriatic acid.all patients recovered rather smoothly and discharged from hospital.conclusion high risk copd is not the absolute contraindication of esophagectomy.active management before and after surgery ensures the safety and recovery of patients.

目的 探讨重度慢性阻塞性肺疾病简称慢阻肺病人食管切除术围手术期常见并发症及其处理。方法 45例重度慢阻肺的病人在全麻联合硬膜外阻滞下进行开胸食管切除手术，围手术期处理包括术前戒烟、胸部理疗、预防和控制呼吸道感染、解痉化痰、呼吸功能锻炼、营养支持和氧疗；术后硬膜外镇痛、早期锻炼、保持呼吸道通畅，部分病人予以呼吸支持。结果术中3例出现低氧血症。术后所有病人pao2均有不同程度的下降，6例出现肺部感染，6例行纤维支气管镜吸痰，2例通过气管插管给予呼吸机支持，2例行气管切开术，1例酸碱平衡紊乱使用盐酸精氨酸治疗。所有病人均痊愈出院。结论重度慢阻肺病人并非开胸食管切除手术的绝对禁忌证，积极的术前准备和严格的术后管理可减少和控制术后急性发作，有助于确保此类病人的围手术期安全和康复。

This firing plan for musketry ensures an infantry unit keeps up a continual barrage of shots against an enemy.

轮射这种开火方式能够保证步兵向敌人倾泻连续不断的火力。

Located in Tolo, on the foot of a hill, 250 meters from the sea, a few kilometres from Nafplio, Argos, Mycenae and Epidavros, the Panorama in Tolo Hotel ensures you unforgettable holidays on Argolikos gulf.

酒店评核是由通过 venere.com 预订并入住过这酒店的宾客所写的。参阅这些客观的意见，并选择适合您的住宿！欢迎您从Tolo回来后，在这里留下您的评语。

Essential fatty acids such as GLA are utilised by the body to make up our basic cellular structure and to form the myelin sheath that insulates nerve cells and ensures the transmission of information to vital organs.

必需脂肪酸，如亚麻酸是人体所利用，以弥补获得的治疗效果我们的基本细胞结构，并形成髓鞘的隔离神经细胞，并确保信息传输的重要器官。

Zinc oxide is an n-type direct band-gap semiconductor material. Due to the large exciton binding energy of 60 meV, which ensures the large exciton emission at room temperature, it is regarded as one of the most promising materials for fabricating efficient ultraviolet blue light emitting device.

氧化锌是直接带隙宽禁带半导体材料，具有较高的激子束缚能(~60meV)，可以实现室温下的紫外受激辐射，在紫外发射器件等领域具有广阔的应用前景。

Gordon, senior anthropologist at the Army Research Center in Natick, Mass., ensures that 90 percent of the uniforms and workstations fit recruits without alteration.

Gordon保证说90%的新入伍士兵可以很合身地穿上军装，而不需要专门为他们改变衣服的大小。

Gordon, senior anthropologist at the Army Research Center in Natick, ensures that 90 percent of the uniforms and workstations fit recruits without alteration, She says that, unlike those for basketball, the length of military uniforms has not changed for some time.

高登认为，90%的制服和工作站无需修改就可以让新兵使用。她指出，与篮球队服有所不同，军队制服的长度在很长时间内就一直没有改动过。

Gordon, senior anthropologist at the Army Research Center in Natick, Mass,ensures that 90 percent of the uniforms and workstations fit recruits without alteration.

Gordon 确信百分之九十的入伍新兵不需要更换新的制服和工作站。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。