hold-up-hold-down roof支撑: prop up; sustain; support式: type; style炉顶: furnace top; furnace roof半悬吊式炉顶: semi suspended roof悬吊式炉顶旋架: roof suspension swing frame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:支撑悬吊式炉顶，即可在微信中查询翻译
