Advanced car AV navigation system debuted in Shanghai on December 19, 2003 15:52 Source: Yangcheng Evening News If you want to drive to a strange place, nothing more than two choices, or find someone to ask for directions, or prepare a map . The car AV navigation system debuted in Shanghai for the first time yesterday will give you a new surprise. A telescopic touch screen is installed in the car, and a DVD navigation system black box is used to easily complete the installation of the car navigation system. It can input destinations through pinyin, telephone, address, zip code, provide 5 kinds of route choices, together with clear voice prompts and electronic map guidance, and display the road through which the road passes. The enlarged map of intersections and high-speed exits is displayed. Many other colorful features make driving easier and easier. The car AV navigation system is developed using GPS as a global satellite positioning system. Currently, it is divided into two types of built-in external vehicles. The two types of navigation systems will be officially launched in the domestic automobile market in January and March of next year. Yuasa successfully developed the lithium-ion battery E-on for the hybrid electric vehicle. Yukino Japan successfully developed the "E-on" series of lithium-ion batteries for hybrid vehicles. Its lifetime at high temperatures is up to twice that of the company's original product. Can charge and discharge 3000 times. The cathode material uses layered manganese composite oxides. Lithium-ion batteries with layered manganese composite oxides have reached practical levels and are the first in the world. The successful development of the battery compared with the original product of the company using manganese oxide, the charging characteristics increased about 1 times, the power density of 1000W/kg. In addition, it also ensures the same safety as the original product. The company plans to first market the 25Ah single cell "EX25A" and the battery module "EX25A-7" in March 2004, and the future plan will be to form a series of products.
A gas heaters is a space heater used to heat a room or outdoor area by burning natural gas, liquefied petroleum gas, propane or butane . Indoor gas heaters can be broadly categorized in flued or non-flued, or vented and unvented.
we focus on wall gas heater, portable gas heater. Natural gas heater provide clean, efficient heat on cold winter. Natural gas heaters can be wall-mounted or freestanding units to suit the rooms. Ventless heaters:Ventless gas heaters, also called vent-free or no-vent heaters.
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