埋件安装新工艺
new workmanship for installing embedded metal parts
预埋件安装
installation of embedded parts
不正确的密封件安装
incorrect seal installation
传动装置组件安装衬垫
transfer drive group mounting gasket
镀件安装
installment of the coating part
驾驶员监控器和安装件总成
Monitor & MTG GP-operator