求翻译：The connection joints of the seal to the piston and the gas holder shell inside the gasholder will be made by bolts. Therefore at the top and bottom end of the seal holes have to be placed in acc. to the gas holder drawing. Further seal fixing bars and “C”-clips will be installed at the connection points in order to get an indisputable joint. The seal fixing bars and “C”-clips will be manufactured on advice upon design and requirement of the seal manufacturer.是什么意思？

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