A、3.90%~5.70% B、5.00%~6.25% C、5.00%~7.25% D、6.00%~8.25%
A、0.75% B、0.80% C、0.90% D、1.00%
A、4.1~8.6MPa B、7.4~11.5MPa C、8.1~13.6MPa D、9.1~13.6MPa