| 摘要 |
A liquid container detachably mountable to a container holder, the container holder includes a container body for containing liquid and including a front side engaging portion and a rear side engaging portion for engagement with the container holder, the front side engaging portion and rear side engaging portion being disposed at a leading side and a trailing side, respectively with respect to an inserting direction of the container into the container holder; and a projection, provided on only one of lateral sides of the container body which extend parallel with the inserting direction, for being guided, when the container is mounted to the container holder, along an upper end of a guide wall provided in the container holder while the other lateral side is being limited by an inner surface of the container holder, and the container is being rotated substantially about the front side engaging portion.
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