A.降至0℃或升至4℃ B.降至0℃或升至8℃ C.降至2℃或升至4℃ D.降至2℃或升至8℃ E.降至4℃或升至10℃
A.≥45g/L B.≥50g/L C.≥55g/L D.≥60g/L E.≥65g/L
A.≤35% B.≤40% C.≤50% D.≤60% E.≤65%