抽气系统的英文缩写为pumping system。
双语例句：
1、FEB－E抽气系统有二个子系统：环粗抽系统和环高真空系统。
The FEB E pumping system consists of two major subsystems， the torus rough pumping system and the torus high vacuum pumping system.
2、HL-1M装置的真空抽气系统
Vacuum pumping system for the HL 1M Tokamak
