| 摘要 |
A cover for a liquid container. The liquid container comprises a first to third surfaces. The first surface has a wall which surrounds a communication port and a liquid supply portion. The third surface has an air hole communicating with the communication port and has at least one of a protrusion and a recess. The cover comprises a covering portion that covers the wall, and a first cover portion that covers the at least one of the protrusion and the recess.
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