标准摘要
[中文适用范围]： 测量涉及扩散泵、喷射泵和增压泵，即能够在分子流和层流区域运行的泵。 [外文原描述]： The measurements deal with diffusion pumps, ejector pumps, and booster pumps, i.e. pumps capable of operation in both the molecular and laminar flow regions.
英文名称Vapour vacuum pumps — Measurement of performance characteristics — Part 1: Measurement of volume rate of flow (pumping speed)