METHODS GC was used with packed column and capillary column, respectively.
METHODS GC was used with packed column and capillary column, respectively.
方法同一样品采用填充柱与毛细管柱分别测定。
METHODS GC was used with packed column and capillary column, respectively.
方法同一样品采用填充柱与毛细管柱分别测定。