| 摘要 |
A fuel cell stack (FS) is provided with a plurality of unit cells ( 1 ) stacked in a stack direction to form a stack body ( 3 ), a pair of fixing members ( 37, 39 ) disposed on both sides of the stack body in the stack direction (y), a plurality of rod members ( 6, 6', 63, 65, 67, 69 ), and a plurality of tightening members ( 41 ) screwed onto the plurality of rod members to form a plurality of tightening portions, and tightening and rotating directions of the plurality of tightening portions are set such that the tightening and rotating directions of the tightening portions are opposite to that of at least one tightening portion ( 63, 41 ).
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