POST HTTP with AT Commands

Using Arduino Programming Questions
11

Hi everybody!
AT+HTTPPARA="URL","http://domain.hu/feldolgoz.php?sensorPressure=**0.13**&sensorLevel=**233**&sensorDate=**20130814032310**"

I got this. It's working.
But i want to put variable's data in place of bold value.
How can i do this?