求翻译：湿式混泥土喷射机目前的主导机型之一是柱塞泵式混泥土喷射机，它具有出料均匀、结构紧凑、作业粉尘浓度低、回弹少、喷射混泥土强度高等优点，广泛地应用于生态护坡、矿山锚喷支护、隧道工程、建筑工地等领域。是什么意思？

One of the dominant models of wet concrete jet piston pump concrete jet, the material is uniform, compact, low operating dust concentration, rebound, spray the advantages of the concrete strength, widely used ecological slope protection, mining bolting and shotcrete support, tunneling, construction

One of wet concrete jet aircraft at present leading types is the ram pump type concrete jet aircraft, it has the material evenly, the structure compact, the work dust density low, the snapping back few, the spraying concrete intensity higher merit, widely applies in the ecology slope protection, the

Wet concrete Jet is currently one of the leading models are piston pump concrete injection machine, out of uniform, compact structure, less dust concentration is low, the rebound in job benefits, and high strength of sprayed concrete, widely used in ecological slope protection, bolting and shotcreti