?风动除鳞装置

pneumatic delivery box ==> 气流送棉箱 pneumatic descaling apparatus ==> 风动除鳞装置 pneumatic desludging of household septic tank ==> 采用压缩空气方法清除住户化粪池内的污泥 ..

?风动除锈装置

... pneumatic cylinder 气动缸，风动缸 pneumatic descaling apparatus 风动除锈装置 pneumatic dredger 气力式挖泥船 ...