短語詞組短語vacuum pressure gauge 真空壓力計;真空壓力表;負(fù)壓壓力表Ammonia vacuum -gauge 氨用真空表engine vacuum checking gauge 發(fā)動機(jī)真空測試計Membrane vacuum -gauge 膜片真空表vacuum -gauge 真空計;真空表VACUUM SUCTION GAUGE 真空吸力表vacuum m gauge pipe 真空壓力計琯vacuum m gauge tester 真空計測試器Vacuum and Gauge Pressure 真空度與表壓 返回 vacuum gauge