求翻译：结构架子每步架应高出作业层1m，每步架子满铺脚手板，要求严密牢固并严探头板。是什么意思？

Structure of the shelf frame for each step should be higher than the operating level 1m, each step a shelf full of shops scaffold boards, tight firm and strict requirements of the probe board.

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Structure rack each step frame should outdo work level 1m, each step rack wall-to-wall stage plank, the request strict reliable and searches the head plate strictly.

Structure shelf should be higher than the job 1M each step, every step shop shelves full of foot Board, requiring close solid and probe plate.

Structure of the shelf frame for each step should be higher than the operating level 1m, each step a shelf full of shops scaffold boards, tight firm and strict requirements of the probe board.