Stainless steel hopper construction Main controller and hopper designed separated to ensures safety and convenient; Separate filler installation, easy to remove pooling of powder; Automatic pump reverse system.是什么意思_Stainless steel hopper construction Main controller and hopper designed separated to ensures safety and convenient; Separate filler installation, easy to remove pooling of powder; Automatic pump reverse system.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句