用氧气一乙炔火焰除漆,其压力控制范围是:氧气( ),乙炔( ),压缩空气( )。

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问题 用氧气一乙炔火焰除漆,其压力控制范围是:氧气(    ),乙炔(    ),压缩空气(    )。

选项 A、0.3~0.6MPa,0.05~0.1MPa,0.5~0.6MPa
B、0.2~0.4MPa,0.1~0.3MPa,0.5~0.6MPa
C、0.3~0.5MPa,0.1~0.15MPa.,0.5~0.6MPa
D、0.2~0.7MPa,0.08~0.1MPa,0.5~0.6MPa

答案A

解析
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