- 上部: headpiece; ridge
- 支承板: back plate; bearer plate; bo ...
- 支承板: back plate; backing plate. supprr plate; base plate; baseplate; bearer plate; bearing plate; bolster plate; carrier blade; carrying plate; foundation plate; fulcrum table; rest plate; support plate; supporting plate
- 支承板，支承块: anchor plate
- 边缘支承板: edge supported slab
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