Support the alumina and fluoride hoppers and point feeders.支撑氧化铝和氟化盐料斗并且含有定点喂料功能.Support the transport system for alumina and fluoride to the hoppers.支撑氧化铝和氟化盐进入料斗的传送系统.The two pairs of millstones are fed with grain by t...

n.加料斗( hopper的名词复数 )...

hoppers的音标：hoppers的英式发音音标为：['hɒpəz]hoppers的美式发音音标为：['hɒpəz]...