A.20PSIB.50-90PSIC.115PSID.40PSI
A.MIL-L-6082或SAE J1996B.MIL-L-22851或SAE J1899C.MIL-L-6082或SAE J1899D.SAE J1899
A.50-90PSIB.不超过115PSIC.不低于20PSID.20-115PSI