例句與造句

1. Upon establishing optimal conditions , the digestion element was attached downstream from a capillary c4 reversed - phase column
   在建立優(yōu)化條件之上，酶解成分附在c4反相毛細(xì)管柱下方。
2. It's difficult to find reversed-phase column in a sentence. 用reversed-phase column造句挺難的