![](/images/qiufo/58.jpg)
![](/images/qiufo/190.jpg)
![](/images/qiufo/353.jpg)
![](/images/qiufo/76.jpg)
![](/images/qiufo/169.jpg)
![](/images/qiufo/290.jpg)
![](/images/qiufo/68.jpg)
![](/images/qiufo/170.jpg)
![](/images/qiufo/311.jpg)
![](/images/qiufo/81.jpg)
![](/images/qiufo/207.jpg)
![](/images/qiufo/300.jpg)
![](/images/qiufo/115.jpg)
![](/images/qiufo/135.jpg)
![](/images/qiufo/359.jpg)
![](/images/qiufo/75.jpg)
![](/images/qiufo/124.jpg)
![](/images/qiufo/349.jpg)
![](/images/qiufo/115.jpg)
![](/images/qiufo/176.jpg)
![](/images/qiufo/329.jpg)
![](/images/qiufo/37.jpg)
![](/images/qiufo/167.jpg)
![](/images/qiufo/355.jpg)
![](/images/qiufo/21.jpg)
![](/images/qiufo/237.jpg)
![](/images/qiufo/294.jpg)
![](/images/qiufo/109.jpg)
![](/images/qiufo/143.jpg)
![](/images/qiufo/263.jpg)
![](/images/qiufo/68.jpg)
![](/images/qiufo/168.jpg)
![](/images/qiufo/268.jpg)
![](/images/qiufo/67.jpg)
![](/images/qiufo/214.jpg)
![](/images/qiufo/274.jpg)
![](/images/qiufo/50.jpg)
![](/images/qiufo/177.jpg)
![](/images/qiufo/273.jpg)
![](/images/qiufo/120.jpg)
![](/images/qiufo/230.jpg)
![](/images/qiufo/245.jpg)
![](/images/qiufo/41.jpg)
![](/images/qiufo/234.jpg)
![](/images/qiufo/323.jpg)
![](/images/qiufo/60.jpg)
![](/images/qiufo/207.jpg)
![](/images/qiufo/348.jpg)
![](/images/qiufo/33.jpg)
![](/images/qiufo/137.jpg)
![](/images/qiufo/291.jpg)
![](/images/qiufo/57.jpg)
![](/images/qiufo/182.jpg)
![](/images/qiufo/313.jpg)
![](/images/qiufo/6.jpg)
![](/images/qiufo/143.jpg)
![](/images/qiufo/280.jpg)
![](/images/qiufo/118.jpg)
![](/images/qiufo/126.jpg)
![](/images/qiufo/355.jpg)
![](/images/qiufo/53.jpg)
![](/images/qiufo/129.jpg)
![](/images/qiufo/337.jpg)
![](/images/qiufo/12.jpg)
![](/images/qiufo/176.jpg)
![](/images/qiufo/304.jpg)
![](/images/qiufo/38.jpg)
![](/images/qiufo/128.jpg)
![](/images/qiufo/243.jpg)
Аж үйлдвэржилтийн хувьсгал. Аж үйлдвэрийн 1р хувьсгал …
1869 — The Transcontinental Railroad is completed. 1870 — Around this time the Second Industrial Revolution begins. This phase of the Industrial Revolution is characterized by rapid expansion of new technologies such as the telephone, railroads, …
![](/image/whatsappp.png)
![](/images/qiufo/1.jpg)
![](/images/qiufo/165.jpg)
![](/images/qiufo/338.jpg)
![](/images/qiufo/2.jpg)
![](/images/qiufo/180.jpg)
![](/images/qiufo/298.jpg)
![](/images/qiufo/73.jpg)
![](/images/qiufo/133.jpg)
![](/images/qiufo/243.jpg)
![](/images/qiufo/16.jpg)
![](/images/qiufo/123.jpg)
![](/images/qiufo/330.jpg)
![](/images/qiufo/47.jpg)
![](/images/qiufo/199.jpg)
![](/images/qiufo/356.jpg)
![](/images/qiufo/39.jpg)
![](/images/qiufo/140.jpg)
![](/images/qiufo/278.jpg)