?螺纹套管
... Screwed pipe joint 螺纹管接头 Screwed sleeve 螺纹套管 Screw machine 自动车床 ...
?螺纹套筒
... screwed-up 扭歪的; 皱起的; ... screwed sleeve 螺纹套筒(管)... screwed joint 螺丝接合,螺纹连结...
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。