a lift valve whose moving element somewhat resembles a mushroom in shape.
单词 | θ214295 |
释义 | society > occupation and work > equipment > machine > parts of machines > control(s) > [noun] > valve > lift (2) mushroom valve1877 a lift valve whose moving element somewhat resembles a mushroom in shape. lift valve1887 a valve which opens by the valve head moving (vertically) out of its (horizontal) seat. |
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