602M干粉螺旋给料机是由给料机、螺旋轴、搅拌器、给料咀和储料箱五部分组成。
参考答案：对
The Chinese government has promised to do ______ lies in its power to ease the pressure of high housing price for average-income families.
A．that
B．what
C．where
D．which
反刍动物对碳水化合物消化、吸收特点。
