[单选题]

在转速设定精密调压阀中,气源压力及输出压力范围分别为()。

A . 0.14MPa,0.02~0.1MPa

B . 0.7MPa,0~6MPa

C . 0.5MPa,0~0.5MPa

D . 0.7MPa,0.05~0.5MPa

参考答案与解析: