reccBNC²³⁶²¹³⁺¹ 基本例句 Rhine Evacuation and Control Command,莱茵撤运与控制司令部 The effects of adding rare earth-chitosan chelate RECC on performance of aquaculture feed pellets were investigated in the present study. 研究了在饲料中添加稀土壳聚糖螯合盐 RECC对水产颗粒饲料性能的影响。 dictall