負壓半密相氣力輸送系統半密相氣力輸送系統，適用于可流化的磨蝕性物料；特有的負壓入料和正壓輸送方式，使用高壓風機做動力源，使用氣源壓力1-2bar??????????????????????????????????????????????????????????????????? Semi-dense phase conveying equipment. Applicable for fluidizable abrasive materials. Unique vacuum loading materials for restricted headroom and positive pressure conveying. 1-2 Bar convey air source pressure負壓半密相氣力輸送系統