无路的

Really do not leak, however there is still a long way to go, such as magnetic separation pump shield pump kits and sets the life of screening questions, materials, pitting the problem, question the reliability of static sealing and so on.

然而真正做到无泄漏还有很长的路要走，比如磁力泵隔离套和屏蔽泵屏蔽套的寿命问题、材料的孔蚀问题、静密封的可靠性问题等等。

Characteristics of the business has:(1) smart battery design, development, production (the main application fields Laptop batteries, camera batteries, batteries of various instruments and meters, etc.), real-time monitoring of battery capacity, the use of time, the use of frequency, this technology is at the international leading level;(2) a variety of instruments and equipment of the external power supply products, high-power, intelligent, thin and light, no memory effect, multi-channel voltage output;(3) Lithium battery protection circuit, a string, two string, three strings, four string protection circuits can be designed in accordance with the requirements of customers;(4) charger, the company has developed a string, second string, three strings, four strings of different power lithium battery charger and car charger browser; product line:* Ni-MH rechargeable battery Series ------------------------------------* nickel cadmium rechargeable battery Series * Rechargeable lithium-ion battery series ------------------------------------* all Class Series rechargeable battery pack * lithium manganese dioxide battery series ------------------------------------* lithium thionyl chloride battery series argon company spirit of "honesty, technology and innovation" concept, the "quality first, consumers first" concept, is willing to work with all sectors of cooperation, common development and prosperity.

特色业务有：（1）智能电池设计、开发、生产（主要应用领域笔记本电脑电池、摄象机电池、各种仪器仪表电池等），实时监测电池容量、使用时间、使用次数等，此技术目前处于国际领先水平；（2）各种仪器设备的外置电源产品，大功率、智能化、超轻超薄、无记忆效应、多路电压输出；（3）锂电池保护线路，一串、二串、三串、四串保护线路，可以根据客户的要求设计；（4）充电器，公司开发了一串、二串、三串、四串锂电池各种不同功率的充电器和车载充电器；产品系列：*镍氢可充电电池系列------------------------------------*镍镉可充电电池系列*锂离子可充电池系列------------------------------------*各类可充电池组系列*锂二氧化锰电池系列------------------------------------*锂氩硫酰氯电池系列公司本着"诚信为本，科技创新"的理念，贯彻"质量第一，用户至上"的概念，愿与各界人士合作，共同发展和繁荣。

objective to discuss the nursing methods of acute postrenal renal calculus obstruction through ureteroscope.methods the preoperative and postorerative aborative nursing in 22 cases of patients with ureter calculus who were treated by emergency ureteroscope were analyzed retrospectively.results all patients became well and renal function was improved quickly after operation,after the timely treatment and nursing,none patients occured the serious complication.conclusion timely and right preoperative preparation,mental nursing and postoperative nursing were essential for the success of operation.

目的 讨论经尿道输尿管镜治疗急性肾后结石梗阻的护理方法。方法对22名患者进行急诊经尿道输尿管镜，治疗上尿路结石的术前、术后精心护理的回顾分析。结果所有患者顺利接受手术，术后患者全身状况、肾功能快速恢复，并发症得到及时治疗和护理，无一例发生严重并发症。结论及时准确的术前准备、心理护理、术后护理、是保证手术成功的重要保障。

A high-frequency electronic therapeutic instrument for stomatopathy is composed of power supply, high-frequency oscillator and therapeutic mode controller and technically features use of two independent stabilized power supplies, stepless regulation, and switch signal generator to control output interval and therapeutic mode switching.

本发明涉及的是一种用于口腔科的高频电子治疗仪，它是由电源电路、高频振荡电路和治疗方式控制电路组成，其技术特点是采用独立的两路稳压电源供电，并实现无级可调，设置开关信号发生电路控制治疗输出的时间间隔和进行治疗方式的转换。

This paper gives an introduction to the construction technique of Germany Rheda non-gravel trackway whose foundation adopt continuous paving and pouring concrete base and concrete trough by using slip-form paver,Compared with the technique we have used for long time,which is supported by slot-ditch,the new construction technique gives US new thinking and direction on how to enhance mechanized degree and engineering quality.

文章摘要：摘要：介绍德国铁路土路基上枕式无碴轨道轨下基础采用滑模摊铺机连续摊铺混凝土底座和混凝土路槽的施工技术，并与我国长期施工实践所积累的较为成熟的轨排支撑架法技术相比较，对如何再提高机械化施工程度以及如何提高施工质量提出新的思路与方向。

In order to analyze the factors that affect the severity of traffic accidents,the cumulative Logistic model has been established on the basis of investigating the data about the traffic accident at unsignalized three-phase intersection in the peripheral area around Beijing. It can provide scientific reference for preventing the serious traffic accident at the intersection.

为了分析交叉口交通事故严重程度的影响因素，在对北京周边无信号三路交叉口交通事故数据调查的基础上，建立的累积Logistic模型，可为我国交叉口严重交通事故的预防提供科学依据。

In addition, the solutions are given to the calibration of the weight of other types of nodes, such as interchanges, grade crossings with turn ramp, unsignalized intersections which the main traffic has priority, and entrances/exits of urban expressway.

此外，针对互通式立交、&立交平坐&路口、主要道路具优先权的无信号交叉口、快速路出入口等类型的结点，对其结点权重的标定方法，提出了相应的解决方案。

In a far north without ice, a mother bear could be stranded a long way from good hunting, struggling to feed herself and her cubs.

在遥远北方无冰，母亲承担可能搁浅了很长的路从良好的狩猎，挣扎饲料自己和她的小熊。

Were there no transformers to adjust the voltage, long- distance transmission of electricity would be impossible.

若无变压器来调节电压，远距离输送电力是不可能的。长跑运动员需要有很大的耐力。他的长腿很快跑过了这段距离。路遥知马力。

About large sets of cycle systems and path decompositions, much work has beendone. Jiaxi Lu [50, 51] and L.

无向图的圈系统和路分解的大集问题已被广泛的研究。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。