subbolster

做代替人[替工] 的英文翻译 ... subbituminous 亚烟煤的 subbolster 辅助模座, 辅助垫板 subbottom 底基 ...

模具之支持工具为背衬(backer)，枕木(bolster)，副枕木(subbolster)及模环(die ring)，而以保持具(die carrier)组合而成。图2为 …

...olster)，副枕木 (subbolster)及模环 (subbolster)及模环(die ring)，而以保持具(die 及模环(die ring)，而以保持具(die carrier)组...