后备蒸气供应 steam supply: 蒸汽供应exhaust steam supply pipe: 排气供给管; 排汽供给管gland sealing steam supply: 汽封供汽methods of steam supply to a turbine: 汽轮机供汽方式nuclear steam supply system: 核动力蒸汽供给系统; 核蒸汽供应系统下载手机词典可随时随地查词查翻译