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For this reason, this paper analyzes the influence of ice cover of conductor on the safety of conductor line, including the influence of ice coating on the load of power line and ice thickness rising on line strength, which provides the reference for the design and security of transmission line.

行对于此，分析了输电线覆冰对输电线安全的影响，即输电线覆冰对输电线负载的影响、覆冰厚度增加时对输电线强度的影响，为输电线路设计和安全提供了参考。

If the fault is out of the line, the calculation value of fault component integrated impedance reflects the line capacitive impedance with a greater amplitude; if the fault is on the line, it reflects the system impedance and line impedance with a relatively smaller amplitude. According to the amplitude of the fault component integrated impedance, the fault location can be distinguished.

在外部故障时，该比值反映输电线路上的容抗，其模值较大，内部故障时，该比值反映系统电源阻抗和线路阻抗，其模值相对较小，据此可以区分线路上的内部和外部故障。

Include the following types:(1) check value car, for the railway Vehicles weighing, the actual track is a kind of moving in large weights;(2) Power generation car, the car has a small power station, they can always call on the railway line on the power supply;(3) gauge inspection vehicles, for inspection and verification of railway bridges, tunnels and other large buildings close to the limits in order to determine the safety of vehicles;(4) test cars were equipped with test equipment, used to measure and record rolling stock and railway line performance parameters;( 5) The rescue vehicles, for the train accident occurs, clear the line obstructions and incidents from re-rolling stock;(6) LTL office vehicles for the LTL freight train crew members, escort personnel work and rest;(7) Ballast cars transport and shop for the construction of lines unloading ballast;(8) long rail vehicles for the transport of long rail or recycle that old rail;(9) snow vehicles, clear the rail line, the snow outside.

包括以下几种类型：（1）检衡车，供铁路车辆称重用，实际是一种可在轨道上移动的大砝码；（2）发电车，车内设有小型电站，可随时调用于铁路线路上供电；（3）限界检查车，用于检查和核对铁路桥梁、隧道等大型建筑物的接近限界，以确定车辆通过的安全性；（4）试验车，车上装有试验设备，用于测量和记录机车车辆和铁路线路的性能参数；（5）救援车，用于列车运行发生事故时，清除线路障碍物和起复事故机车车辆；（6）零担办公车，供零担货物列车乘务人员、押运人员工作和休息；（7）石碴车，用于修建线路运送和铺卸石碴；（8）长钢轨车，用于载运长钢轨或回收旧钢轨；（9）除雪车，清除线路钢轨内、外侧积雪。

Possible speed means that in the good climatic and traffic condition, the automobile is only influenced by the geometry line shape of the highway; the driver with skilled technology drives the travel speed that the automobile may reach while going along certain highway.Possible speed is decided by geometry line shape of the road mainly, its change can reflect the change state of the line shape of the road, and the geometry line shape of the road play a very important role to emergence of the traffic accident, so the change of the possible speed can reflect the security state of the road.

可能速度主要由道路的几何线形决定，它的变化可以反映道路线形的变化状况，而道路的几何线形条件对交通事故的发生起着举足轻重的作用，因此可能速度的变化情况能够直观的体现道路的安全状况。

In this paper,based mainly on the heights above sea level of the upper limits of the modern dark coniferous forest zones in some mountainous regions and the climatic data obtained from 102 meteorological stations in China,the theoretic altitude of the forest line has been calculated and maps showing the altitude isolines of the forest line,the isolines of height differences between the permafrost limits and the forest line and the isolines of height differences between the modern climatic snowline and the forest line in China have been constructed respectively.

本文主要根据我国一些地区现代暗针叶林带上限的海拔高程和102个气象台站的气象资料，计算出我国的森林线的理论海拔高度，并编绘出我国的森林线高程等值线图以及多年冻土线与森林线高差等值线图和现代气候雪线与森林线高差等值线图。

The endometrial echo patterns visualized sonographically were divided into three categories by Gonen: pattern A: present a triple-line pattern or multilayered endometrium in which hyperechogenic outer lines and a well-defined central echogenic line were visualized, with hypoechogenic or black areas seen between lines; pattern B: present an echo pattern in which the endometrium had the same echogenicity as the myometrium, the central echogenic line is dim; pattern C: present a homogenous endometrium with no central echogenic line.

按照Goden等人的分型标准，晚滤泡期子宫内膜在超声下可以分为三种类型：A型：即三线型，为外层及中部强回声，外层与宫腔中线之间为低回声区或暗区，宫腔中线回声明显；B型：为均一的中等强回声，宫腔中线回声不明显；C型：为均质强回声，无宫腔中线回声。

Now has a stamping welding production line, injection molding production lines, polyurethane foam production lines, seat warmer blower assembly line of the article, a balanced tire assembly production line, valve block production line balance.

现拥有冲压焊接生产线一条，注塑生产线两条，聚胺脂发泡生产线两条，座椅和暖风机装配生产线各一条，轮胎装配平衡生产线一条，气门嘴平衡块生产线一条。

Be work with high voltage(above 80V),if you want to locate it ,please turn off the cable power supply3 can test the telephone line polarity, connectedness, rough position of breaking point.4 uses the two crocodile clamp to avoid getting rid of the job of make network cable. Use the RJ45/RJ11 interface can connect to the network and the telephone line directly.5 link tester can find out that pair of circuit line cable from large mount of cables. 6 high amplitude ranks 200 times amplification circuit is suitable to locate long distance cable.7 two-sided network lines sequence indicator is easy to examine the network line cable whether or not correctly conveniently. 8 portable types multifunctional bag can encase most of your engineering tools; remit your messy carry-over of implement bothering. 9 adopt two 9V batteries.

l线路通产品特点：1 操作简单、性能可靠，接口灵活、用途广泛，仿生外形、携带方便，由于本设备采用了信号双路输出方式，可以解决交换机工作状态下使用，避免了关掉交换机影响其他线路的使用的麻烦。2 适用于查找网络电缆、电话线路、视频电缆、汽车电路、无强电状态下的所有金属电缆。3 可以测试电话线路极性、连通性，断点大概位置。4 两个鳄鱼嘴夹，避免了去做水晶头的麻烦，RJ45/RJ11接口线，可直接连接网络和电话线模块。5 寻线器快速地在众多紊乱的线路中找出需要查找的那一对线路线缆。6 高音频振幅级别200倍的放大电路，适合长距离电缆定位。7 双面网络线续灯可以更直观方便的检查校正网络线续线路连接是否正确。8 便携式多功能软包，可以把您工程施工、维护的基本工具装齐，免除您工具散乱携带的麻烦。9 本寻线器采用2节9V电池。

The company has a glass tank furnace 5, bottle 12 automatic production line, glass production line 2 printing, glass production line of a frost, like a production line of ceramic, glass bottles annual production capacity of 150,000 tons, is the largest in Guangxi, most species, the strongest technical force manufacturers of glass bottles, beer bottles to create the most professional competence of manufacturing enterprises in Guangxi province and the surrounding large and medium-sized enterprises in food production partner.

目前公司拥有玻璃池炉5座、玻璃瓶自动生产线12条、玻璃瓶印花生产线2条、玻璃瓶蒙砂生产线1条、仿陶瓷生产线1条，年产玻璃瓶15万吨，是广西规模最大、品种最多、技术力量最强的玻璃瓶制造企业，是啤酒瓶制造最具专业能力的生产企业，是广西及周边省份大中型食品生产企业最佳的合作伙伴。

Logistics and drying equipment: roller conveyor line, with transmission line network, the chain of transmission lines plate, hoist,(in all its forms and configuration) PVC belt line,(ring, straight-shaped, hand push, automatic) Qian pieces of line, cattle Taiwan eyes furnace cover, food drying furnace, Flue-curing Barn, the tunnel oven, Wasi Lu, ovens, and other tank.

物流及烘干设备：滚筒输送线、网带输送线、板式链条输送线、提升机、PVC皮带线、（环形、直形、手推、自动）扦件线、牛眼台；炉盖、食品烘干炉、烤房、隧道式焗炉、瓦斯炉、柜式烤箱等。

Time, advances in technology and the environment changes, so that the pursuit of ever-changing customers.

时代的发展、科技的进步和环境的变化，使客户的追求日新月异。

It is a world leader in geography, cartography and exploration..

它是世界地理，制图和探索的引导者。