3.2时=______时______分;4600平方米=______公顷.
(1)3.2时=3时12分;
(2)4600平方米=0.46公顷.
故答案为:3,12,0.46.
________ the help of the dog, people lost in snow found their way home.
A.In
B.Under
C.With
D.By
煅烧过程中要保持物料、()两种平衡。