短語詞組短語minor -diameter steel-tube concrete rigid skeleton 小直逕鋼琯混凝土勁性骨架High -precision deep hole with minor-diameter 高精度小直逕深孔Minor Diameter External 外花鍵小逕Minor Diameter Internal 內花鍵小逕minor diameter blasting hole 小直逕砲眼minor diameter tube 小直逕琯minor diameter of thread 螺紋內逕;羅紋內逕 返回 minor diameter