单词	铁心体积
释义	铁心体积 core volume
随便看	proportional reverser proportional revolver proportional risk aversion proportional risk premium proportional routing proportionals proportional sacrifice proportional sample proportional sampler proportional samples proportional sampling proportional sampling device proportional sam pling device proportional samplings proportional scale proportional scale function proportional segment proportional segments proportional selection proportional sensibility proportional sensitivity proportional service technology Proportional servo proportional share-cropping of net income proportional sharing principle