来自冯素萍的问题
真空管道抽真空1.3×10-4Pa.L/S.现在想降低点真空度,数值要怎么写啊.1.3×10-4Pa.L/S真空管道抽真空1.3×10-4Pa.L/S.现在想降低点真空度,数值要怎么写啊.1.3×10-4Pa.L/S降低真空度应该是成为1.3×10-2Pa.L/S,
真空管道抽真空1.3×10-4Pa.L/S.现在想降低点真空度,数值要怎么写啊.1.3×10-4Pa.L/S
真空管道抽真空1.3×10-4Pa.L/S.现在想降低点真空度,
数值要怎么写啊.1.3×10-4Pa.L/S降低真空度应该是成为1.3×10-2Pa.L/S,
,还是1.3×10-6Pa.L/S
负次方,向上还是向下?
1回答
2020-11-09 17:15