Class 37

installation, maintenance and repair of steam condenser compressors and pumps 158660

蒸汽冷凝器压缩机和泵的安装、维护和修理

Chinese 蒸汽冷凝器压缩机和泵的安装、维护和修理

English installation, maintenance and repair of steam condenser compressors and pumps

Spanish Instalación, mantenimiento y reparación de compresores y bombas de condensadores de vapor.