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R20

R20

R20

R20

1

The principal axis effected the moving stability and action accuracy of the R20 cathode bobbin making machine .

主轴直接影响 R20 电芯成型机的运行稳定性及机构动作的准确性。

2

3 trillion (R20. 2 trillion ) of currency reserves ;

3万亿美元（20.2万亿人民币）的外汇储备；

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