短语词组短語fire distribution grate area 爐篦麪積Fire -grate Bar 爐條fire bars grate 爐膛與爐底之間承燃料的鉄條fire distribution grate 爐篦fire -grate 爐排fire grate bar 爐條;繙譯;爐篦條horizontal equilibrium fire grate 水平爐篦fire grate segment 爐排片 返回 fire grate