Both variable orifices and electromagnetic controllers have been used with success.可变锐孔和电磁流量控制器都已成功地使用.Ground controllers will then fire the booster, sending the satellite into its proper orbit.然后地面控制人员将会发射推进器，把卫星送入正常轨道。...
Ground controllers will then fire the booster, sending the satellite into its proper orbit.然后地面控制人员将会发射推进器，把卫星送入正常轨道。At the front line of the financial control system are the controllers.处于财务控制系统最前列的是审计员.The electrical s...