短語詞組短語vacuum m meter 真空計;低壓計vacuum inspective meter 真空度檢測儀electric vacuum -meter 電真空計vacuum -meter 真空計;真空表;低壓計electric vacuum meter 電氣真空計ionization vacuum meter 電離真空計refractometric vacuum meter 折射式真空計vacuum i ective meter 真空度檢測儀 返回 vacuum meter