基本解释背膘同根派生 backfat相关词英汉例句During gestation, BW and backfat gain did not differ between treatment groups.整個妊娠期，兩組間躰重和背膘厚均無顯著差異。Backfat is important ifreplacement females are produced within the herd.背膘厚度對於後備母豬選擇是一個非常重要的指標。backfat更多例句