Is the pressure of friction force between B and a a a or B

The name of Carl's oil digging game is oil tycoon

"oil tycoon" is a high-quality English leisure games, oil is a precious resource, you have to run an oil factory, mining underground oil to make money! And develop this city, let it become a modern oil city

extended information:

1. Oil tycoon, listing time: August 23, 2001. Game type: simulation game. Proction and distribution: soft enterprises / Global Star software "Oil tycoon" is a very easy to start business simulation game. You will start from a small company, looking for oil fields, setting up oil wells, issuing stocks, and finally controlling the whole market to realize your dream

2. In this game, you need to collect oil first, and then upgrade the oil proction plant; Second, after building all the buildings, open the door and you will win; And so on, as long as you reach the population, build all the buildings, and then upgrade to achieve the goal he gives you

Turoil

at the beginning of the game, players need to choose their own roles. There are four roles to choose from

ring the week, there was no more difference between the characters except the lines. The player will unlock "expert mode" after completing one week's project. At this time, players will be able to see the special abilities of the four characters, and can choose the characters they need most to play the game

players play the role of speculators, using black technology to exploit oil on the undeveloped land of North America in the 19th century, controlling the price by accumulating oil, and then seeking violence, bidding for land, defeating competitors, and finally becoming oil tycoons

extended data:

operation guide - key description

1, D key Deploy explorers

2, M key Deploy mole

3, W key Deployment carriage

4, R key Deployment well

5, s key Deploy warehouse

6. Press and hold the X key Accelerate time lapse

7, ESC Pause menu

Oil riots