为了使相配零件得到要求的配合精度，其装配方法有哪几种？
参考答案：完全互换法，分组互换法，调整装配法，修配装配法四种
We don’t need these flowers anymore, please
A．take away them
B．take them off
C．take them away
D．take it away
语言不安全感
