拼音:tào tǒng
注音:ㄊㄠˋ ㄊㄨㄙˇ
繁体:
◎ 套筒 tàotǒng[sleeve;muff] 套在管子等外面的筒状物件,起保护、加强固定或连接作用
1.jacket; sleeve; bushing; sleeve piece; liner; muffle; sleeve barrel; well casing; thimble
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