拼音:tào guǎn
注音:ㄊㄠˋ ㄍㄨㄢˇ
繁体:
◎ 套管 tàoguǎn[casing pipe] 套在另一部件上的管子
1.drivepipe; annular tubes; branch pipe; casing pipe; sleeve; sleeving; canula; cannula; casing; cothead; spigot; nozzle; connection; bushing (电瓷); casing (drill hole) (钻孔)
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