短語(yǔ)詞組短語(yǔ)effective molecular diameter [物化]有效分子直徑;翻譯effective coil diameter 有效線圈直徑;線圈等效直徑MEasuring effective aperture diameter 測(cè)定有効口徑effective pile diameter 有效樁徑Effective root diameter 有效齒根圓effective core diameter 有效纖芯直徑effective particle diameter 有效顆粒直徑effective hole diameter 最小有效井眼直徑minimum effective hole diameter 最小有效井徑 返回 effective diameter