常見例句雙語例句For the vacuum feeder with material level controller, automatic feeding of material in the hopper of the material receiving equipment can be realized through material level controller.對有料位控制的真空加料機，受料設(shè)備的料斗中物料通過料位控制器完成自動加料。wqyjcms.cns235.vkehu.com 返回 receiving hopper