组合安装 meaning in Chinese

aggregate erection
block mount
stack mounting

Research on calibration method for installation error of microinertia measurement assembly
微惯性测量组合安装误差标定方法研究
Inserted blade face milling cutters for internal alignment , for combined mounting on spindle - noses no 50 and 60 according to din 2079
组合安装在din 2079的no 50 and 60主轴头上内定心
Engineering construction department : assemble , install , test and start the fire - fighting equipments in various projects , provide after - sale services , such as repair , maintenance etc
工程施工部：承接各类项目中的消防设备的组合安装、调试、开通及善后服务工作。