基本解釋手動蝶閥英漢例句雙語例句It does not need large-diameter bottom cover to discharge dry cake, generally only with ball valve or butterfly valve. The valves can be electric or pneumatic, or manual.底部不需大直逕的排乾濾餅底蓋，衹用球閥或蝶閥，這些閥門可以是電動，或者氣動，或者手動。manual butterfly valve更多例句詞組短語短語manual high performance butterfly valve 手動高性能碟閥Manual rubber lined butterfly valve 手動襯膠蝶閥manual dual direction butterfly valve 手動變曏螺門manual butterfly valve更多詞組專業(yè)釋義食品科學(xué)技術(shù)手動蝶閥