powder feeder是什么意思

用法例句

It consists of a wideband scanning mirror and an automatic powder feeder by the rotating feed wheel with buckettype scoops.

它由宽带扫描转镜和自动喷粉机组成，适用激光功率１～１０ｋＷ，既可用于宽带涂敷，又可直接用于聚焦窄带涂敷；单道一次涂敷宽度１０～３５ｍｍ连续可调，涂敷厚度０。

The results showed that the effect of electrostatic dusting was average 3 times as the routine dusting, and the mortality of D.

利用玻片记数法测定了改装的高压(3万V)静电喷粉机的喷粉效果,并利用此机在林间喷施苏特灵(Bt混合生物制剂)粉剂对3～4龄马尾松毛虫进行了防治试验。