短语词组短語enclosed rotary -drum vacuum filter 密閉式轉鼓真空過濾機internal rotary -drum vacuum filter 內濾麪轉鼓真空過滾機twin -drum rotary vacuum filter 雙轉鼓真空過濾機single -chamber rotary drum vacuum filter 無格過濾機 返回 rotary-drum vacuum filter