| 摘要 |
A cork for bottle with liquid contains a cover, a cylindrical housing with inlet and outlet holes and coaxially located in the housing the upper cylindrical element, mainly, of U-shaped section, connected with the housing with radial cross connections, and lower cylindrical element with the central channel. Furthermore, lower cylindrical element has on the upper end an annular groove, into which the bottom edge of upper element partially enters with a clearance.
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