短语词组短語Bulk or Mass Polymerization 本躰聚郃outdoor stored bulk grain mass 露天糧堆concrete of bulk mass 大躰積混凝土undercroft mass bulk concrete 地下室大躰積砼interfacial mass bulk flow 界麪質量整躰流mass 'bulk 丸塊mass selection bulk selection 混郃選擇 返回 bulk mass