短语词组短语bulkiness group 散装组bulkiness sedimentation 膨松度疏松度bulkiness hugeness 庞大bulkiness property 膨松性Bulkiness ratio 庞大率bulkiness factor 大量因子bulkiness n 蓬松性dry bulkiness 干蓬松度bulkiness s 庞大 返回 bulkiness