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你说的0和01如果╱是指的内圈黑色读数，那么真∞空度一般也叫负压就是0MPA和01MPA对应的绝对压力就是一个大气压也就是101x10五次方PA和101x10五次方PA01MPA也就是1000pa；真空压力表的读数...
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