annular element造句

"annular element"是什么意思

造句与例句手机版

A hydraulic piston pushes the annular element up into a concaved cap which forces the element diameter to decrease in size.
The upset or larger diameter section of a pipe connection can be pulled or pushed through a closed annular element without damage and while still maintaining a gas tight seal.
It's difficult to see annular element in a sentence. 用annular element造句挺难的

相邻词汇

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