A:would buy, have
B:would buy, had
C:will buy, had
D:will buy, will have
如图甲和乙分别是托里拆利实验和自制的水气压计装置:
如:<0>=<0.48>=0,<0.64>=<1.493>=1,<2>=2,<3.5>=<4.12>=4,…
试解决下列问题: