Pneumatics machine is common academic knowledge, do not say 100% , 99% should understand!
Compress: Heat insulation is compressed is one kind is in what quantity of heat of the gas in reducing a process does not arise to be passed into apparently or come out to reduce a process. Inside a completely adiabatic air cylinder afore-mentioned processes can become reality. Isotherm is compressed is in reducing a process gas maintains the compression with constant temperature one kind process. Compression ratio: ε compression ratio is to show compressor exhaust is mixed