短語詞組短語tangentially anthracite fired boiler 無菸煤鍋爐tangentially -fired soaking pit 切曏燒嘴均熱爐tangentially anthracite fired 無菸煤foursquare tangentially -fired boiler 四角切曏燃燒鍋爐four wall tangentially -fired 四牆切圓the tangentially -fired boiler 四角切圓鍋爐tangentially fired soaking pit 切曏燒嘴均熱爐 返回 tangentially fired