| 摘要 |
PROBLEM TO BE SOLVED: To enable a bottom fitting section of a container positioned above to be easily fitted to an opening of a container positioned below during a slide stacking operation and further enable a fast and stable slide stacking operation to be performed without causing the container positioned above to be inclined. SOLUTION: A relation of a looseness N between an inner wall surface 2b' of a longitudinal side wall 2b of a container Bb positioned below and a supporting leg 6 of a container Bu positioned above in respect to a looseness M between a protrusion 6e of the supporting leg of the container positioned above and a protrusion rail 3b of a flange 3 of the container positioned below is set to show N<=M.
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