内螺纹瓶口internal: adj. 1.内的,内部的 (opp. external ...screw thread: 螺纹;螺丝线。 finish: vt. 1.完毕,完成,结束;使…毕业,使…卒业。 2. ...external screw thread finish: 外螺纹瓶口internal serew thread finish: 内螺纹瓶口下载手机词典可随时随地查词查翻译