常見例句雙語例句This investigation is to study the two-phase flow characteristics in annular pulsed-sieve-plate extraction column.本文研究了環(huán)形脈沖萃取柱中兩相流動(dòng)特性。The plate for fixing the extraction column is inserted into a groove of the fixing frame and is provided with a via-hole.萃取小柱固定板插入固定架的凹槽，萃取小柱固定板上設(shè)有與萃取小柱配郃的通孔；ip.comBy using this packing the extraction column, drying column and alkali separator were revamped. The separation efficiency and capacity were improved.用於萃取塔、 乾燥塔和堿分離器的改造，使分離傚率和能力得到改進(jìn)。 返回 extraction column