steam supply valve供汽: steam supply阀: established house or power g ...供汽: steam supply◇供汽阀 steam supply valve; 供汽管 steam supply pipe; 供汽管道 steam (pipe) line汽阀: [机械工程] steam valve供汽管: steam line; steam supply pipe下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:供汽阀,即可在微信中查询翻译