充气室 meaning in English

plenum chamber

Specification for air performance measurement plenum chamber for vacuum cleaners
真空吸尘器充气室空气动力性能测量规范
Standard specification for air performance measurement plenum chamber for vacuum cleaners
真空吸尘器充气室空气动力性能测量用标准规范
Ships and marine technology - inflatable rescue boats - coated fabrics for inflatable chambers
船舶与海上技术.充气式救生艇.充气室用漆布