What is the function of the main oil supply device?

Automobile carburetor itself is the main fuel supply device. It is divided into two chambers, a main chamber and an auxiliary chamber, and consists of a measuring hole and a throttle valve. Oil slick chamber and oil slick control oil level. The mixing ratio of the mixed gas hole is adjusted by the mixed gas adjusting screw; Idle metering hole provides idle oil supply; The idle speed adjusting screw is used to adjust the opening of the throttle valve to control the engine speed at idle speed; The acceleration metering hole provides acceleration oil under the pressure of the acceleration pump; When the throttle valve is opened, the acceleration pump is pushed and pressurized by the connecting rod (device); The throttle opening is controlled by the throttle cable. When the engine is running at medium and low speed, only the throttle valve in the main room is opened and the throttle valve in the auxiliary room is closed; The throttle of the auxiliary room only opens at high speed.