短语词组短语grate e bar 炉条fire grate bar 炉条;炉篦条;翻译grate bar bracket 炉条托架;翻译suction under grate bar 篦条下部负压grate bar top edge 篦条上缘boiler grate bar 锅炉炉栅stationary grate bar 固定炉条grate bar structure 条格结构Fire -grate Bar 炉条 返回 grate bar