n. [機] 內螺紋,內螺絲;陰螺紋 internal thread: 內螺絲; 內螺紋thread internal: 螺距cnc grinder for internal thread: 數控內螺紋磨床internal rope thread: 內圓牙螺紋internal screw thread: 內螺紋下載手機詞典可隨時隨地查詞查翻譯