If you tie him to a blown-up inner tube, he floats.
如果你把他拴在一个充气的内胎上，他就能浮起。
2
Applications: Blown molding, extruded wire, extruded tube, etc.
应用：注塑，管材，线材等。
3
A high-pitched woodwind instrument consisting of a slender tube closed at one end with keys and finger holes on the side and an opening near the closed end across which the breath is blown.