词汇	metal backup shoe
释义	metal backup shoe n.金属压盖
随便看	Production on line production-on-order agriculture production on orders production on the line production operating mode production operating record production operation Production/operation production operational capability production operational capacity production-operational-plan production operational schedule production operation and supplies management production operation management production orientation production oriented Production Parts Breakdown production pascal compiler production patent production pattern production operations production operations managcment production operations management production-operation unit production operator