bulk specific gravity

• 容重,体积密度,散比重,毛比重,毛体积比重,散装比重

bulk specific gravity的用法和样例：

例句

1. An amendent should decrease bulk density, increase toltal porosity, and incr ease water and air content.
   改良剂能降低容重，增加总孔隙度，增加水和空气的含量。
2. The bulk weight and total flour extraction rate were more sensitve to nitrogen and phosphorus supply than 1000-grain weight.
   氮磷水平与比例的提高，对各基因型千粒重的影响很小，却使容重显著降低，总出粉率普遍显著增加。