A.20 B.25 C.30 D.35
A.冷水逐漸升溫加熱 B.沸水和湯汁傳熱 C.旺火燒開(kāi)轉(zhuǎn)中火 D.先旺火后小火,再轉(zhuǎn)入中火
A.8 B.10 C.12 D.14