diameters n. 直径( diameter的复数形式 ); 放大率 释义与例句 n. 1. plural of diameter 相关短语 inner diameters inside diameters internal diameters major diameters minor diameters tactical diameters major diameter minor diameter inside diameter [计] 内径 inner diameter [化] 内径 internal diameter [机] 内直径 tactical diameter