常見(jiàn)例句雙語(yǔ)例句Mine Equipments And Technology: Gear Boxes, Air Compressor, Heavy Duty Steel Wire Ropes, Mine Refrigeration And Ventilation.礦山設(shè)備和技術(shù)：減速器、空壓機(jī)、礦用提升鋼絲繩、井下通風(fēng)與降溫技術(shù)。 返回 refrigeration duty