求翻译：架子立杆接头必须采用对接扣件对接连接，相邻两立杆接头应错位不小于500mm，且应不在同一步内，纵向水平杆接长必须采用对接扣件连接，上下相邻两根纵向杆接头应错开，并不在同一跨内。是什么意思？

Shelf pole butt joints must be butt fastener connection, the dislocation of two adjacent pole connectors should be not less than 500mm, and should not in the same step, the horizontal bar to take a long vertical docking fasteners must be connected to two vertically adjacent upper and lower rod joint

Shelves quick connections to the fastenings must be used for connections to adjacent two quick connections should be not less than 500 mm or misplaced, and should be further, not in the same vertical level received long strokes must be used to connect the deduction, the upper and lower adjacent root

The rack erecting pole attachment must use docking to buckle the docking connection, coexists the rod joint to be supposed neighboring the dislocation not to be smaller than 500mm, also should in the identical step, the longitudinal horizon bar not lengthen by joining must use docking to buckle a co

Shelf upright connector must be butt butt connection of fasteners, adjacent should exist together joint dislocation of not less than 500mm, and is not in the same step, lengthening of longitudinal horizontal Rod butt fastener connection must be used, and the two vertical joints should be staggered,

Shelf pole butt joints must be butt fastener connection, the dislocation of two adjacent pole connectors should be not less than 500mm, and should not in the same step, the horizontal bar to take a long vertical docking fasteners must be connected to two vertically adjacent upper and lower rod joint