| 释义 | tu·bu·la·tion \ˌ ̷ ̷ ̷ ̷ˈlāshən\ noun
 (-s)
 Etymology: Latin tubulation-, tubulatio, from tubulus + -ation-, -atio -ation
 1.  : the act of shaping or making a tube or of providing with a tube
 2.
 a.  : arrangement or an array of tubes
 b.  : a tubular piece (as a juncture, connection, or orifice)
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