伊人精品综合五月婷婷,久久久久久日本亚洲精品,青草在线视频免费观看,国产精品女a爽爽免费播放,欧美国产一级毛卡视频免费,少妇人妻情欲超欲绿帽,亚洲视频中文在线播放,男人扒开女人下面狂操免费视频,日本高清中文字幕在线观看

         The different advantages of different types of air cannons

         Air gun accessories are many types of only, you know what types of air cannon? For all and introduce the basic information of the different volume of air gun accessories such as applicable, today introduced the merits of different categories.

         First introduce some specific classification, air cannons can be roughly divided into the following several kinds. Such as the new surface treatment, gas cooler air air cannons, double nozzle air cannons, split type air cannons, die bowl air cannons as well as type A and type B, type C series air, mainly is these classifications. Air cannons used zinc plating surface treatment can prolong the service life and collision and scratch in the transportation. Gas cooler air cannons for cement preheater thermal power plant and steel under high temperature environment of dredge air equipment, main characteristic is to have two double nozzle air cannons nozzle can reduce the cost, improve the effect of air split type air cannons can better solve the problem of underground work convenience, mould bowl air cannons used in powder more dust bin the effect is good, at the same time, low temperature resistance wet effect is good, actually the main difference is that different classification applicable environment different main functions and working principle are consistentl.