名稱HG550M-13HG800M-14HG900-20XHG460M-13XHG800M-14XHG900-20壓縮機(jī)型式螺桿式一級壓縮油冷式螺桿式一級壓縮油冷式螺桿式兩級壓縮油冷式螺桿式一級壓縮油冷式螺桿式一級壓縮油冷