常見例句雙語例句Mine Equipments And Technology: Gear Boxes, Air Compressor, Heavy Duty Steel Wire Ropes, Mine Refrigeration And Ventilation.鑛山設(shè)備和技術(shù)：減速器、空壓機、鑛用提陞鋼絲繩、井下通風(fēng)與降溫技術(shù)。 返回 refrigeration duty