The technology has simple water injectioncontrol and testing, and can prolong the valid period of packer.
该技术注水调配、测试工艺简单，并可使封隔器有效期延长。
2
The gas injectioncontrol system used for gas assisted injection molding is a small delay and small inertia system.
气体辅助注射成型机的注气控制系统是一小延迟、小惯性系统。
3
The composition, pressurization principle, workflow, pressure control and liquid injectioncontrol of CNG vehicle hydraulic filling device are discussed.