基本螺纹普通螺纹regular: adj. 1.有规则的,有规律的;有秩序的,井井有条的, ...screw thread: 螺纹;螺丝线。 screw-thread: 螺纹thread (of a screw): 螺纹thread in screw: 镟下载手机词典可随时随地查词查翻译