短语词组短语open sand mold 敞砂模;翻译;敝砂模英语open bottom mold 底开式钢锭模Plastisol Open -Mold 防松螺丝open top mold 敞口模open mold method 敞模法open -top mold 敞口钢锭模Open A New Mold 开出新模具open mold processing 开放模塑加工 返回 open mold