[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: