Laoting County belongs to Tangshan City, Hebei Province, located in the northeast of Hebei Province and the southeast of Tangshan City. It is adjacent to Changli across the Luanhe River in the east, Luannan County in the north, Luannan and Caofeidian areas in the west, and the west coast of Bohai Sea in the southeast. Total area 1307.7 km2 (including Tangshan Harbor Economic Development Zone). In 202 1 year, the permanent population of Laoting County was 387,700. * * * There are 28 ethnic groups, accounting for 1. 18% of the county's total population.
As of 202 1, 10, Laoting County governs 1 street,1/town, 2 townships. Laoting county belongs to the warm temperate coastal semi-humid continental monsoon climate type area. Four distinct seasons, long winter, longer winter than summer, shorter spring and autumn. Spring starts from April 16, summer from June 2 1, autumn from September 1, and winter from1October 22. 165438+1entered the severe winter on October 23rd and ended on March 8th. Winter 170 days, summer 72 days, spring 66 days, autumn 5 1 day.
history of theautomobile
1867, German engineer Otto introduced the world's first reciprocating piston four-stroke engine. 1885, karl benz, a German, bought Otto's patent, installed an internal combustion engine and an accelerator on a three-wheeled carriage, and applied for the patent of the first three-cylinder car on 1886129 October, with the patent certificate number of 37435, and obtained the invention right of the first car in the world. This day is considered as the birth day of modern cars.
1886, gottlip Daimler of Germany made the world's first four-wheeled vehicle, which should be the originator of four-wheeled vehicles, equipped with 1. 1 horsepower gasoline engine. 1887 Mercedes-Benz Automobile Company, the originator of automobiles, was established, 1890 Daimler Company was established. Until 1926, Mercedes-Benz Daimler merged into Daimler-Benz and began to produce Mercedes-Benz cars.