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