短語詞組短語elevator bottom well 陞降機(jī)井elevator well way 電梯井道elevator well hole 電梯井道Boiler elevator well 鍋爐電梯井elevator well stell frame 電梯鋼架elevator well frame 電梯井架Railing of boiler elevator well 欄桿的鍋爐電梯和deep well elevator 深井吊梯 返回 elevator well