短語詞組短語mean spring diameter 平均直逕Mean particle diameter 平均粒逕Mean grain diameter 平均粒逕mean outside diameter deviation [機(jī)]平均外逕偏差mean linear diameter 平均線性直逕mean ball diameter 球平均直逕Mean wheal diameter 平均風(fēng)團(tuán)直逕Mean ovarian diameter 卵巢平均直逕Quadratic mean stand diameter 二次林分平均直逕 返回 mean diameter