The singular focus on the exchange rate appears based on the assumption that it is the key cause of the surplus and the main policy instrument for removing it.
把注意力完全集中在汇率上面，似乎是基于以下假设：它是盈余的主要根源，也是消除盈余的主要政策工具。
2
Linking method: Connect the electric needle instrumentof plus or minus pole respectively on the needle handle, and exchange poles every time.
连接方法：将电针仪的正负极分别接在针柄上，每次将正负极交换连接。
3
Click detailed control button in work station after the instrument starts normally. choose dialog box of reset consumable to clear the time of injection septum. then exchange of pump oil is finished.