A:2HCl+CaCO3 = CaCl2+CO2↑+H2O
B:HCl+K2CO3 =KCl+KHCO3+H2O
C:HCl+NaHCO3 = NaCl+CO2↑+H2O
D:2HNO3 +(NH4)2CO3 = 2NH4NO3+CO2↑+H2O
These are my hand.
____应改为____
如图是人上肢肌肉的协作关系示意图,请据图回答下列问题: