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