短语词组短语beta -phase 贝他相beta phase soap Thiessen 倍他相皂beta phase alloy 相合金Public beta phase 公开测试期alpha -beta phase transition 贝他相位跃迁first -phase beta-cell secretion 细胞一相分泌功能pure -phase beta-tricalcium phosphate 纯相β一磷酸三钙 返回 beta phase