短语词组短語grate e bar 爐條fire grate bar 爐條;爐篦條;繙譯grate bar bracket 爐條托架;繙譯suction under grate bar 篦條下部負壓grate bar top edge 篦條上緣boiler grate bar 鍋爐爐柵stationary grate bar 固定爐條grate bar structure 條格結搆Fire -grate Bar 爐條 返回 grate bar