内螺纹切削刀具 internal or external threading tool: 内外螺纹车刀internal threading tool: 内螺纹车刀threading tool: 螺纹车刀; 螺纹刀具, 螺纹工具internal threading: 内螺纹车削bent threading tool: 弯头螺纹车刀下载手机词典可随时随地查词查翻译