The injection head can be manual operated or be fixed for easy operation and control.

喷头可手持或固定安装，操作简单、控制容易；

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Filtering, cooling of oil after injection of new head.

过滤、冷却后的油重新注入机头。

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The active systems consist of several pumping systems of varying discharge pressure and flow rates, e. g., high head injection system, low head injection system.

能动系统由不同注入压力和流量的泵系统组成，如高压安注系统，低压安注系统。

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"The game could use a little bit of an injection at this point, " added Sampson, who was head coach of the US team at France 98 and assistant coach to Bora Milutinovic for the 1994 tournament on home turf.

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Global central banks, with the ECB at the head, attempted to bailout the European financial sector on Thursday announcing a psychologically important injection of U.S. dollar liquidity.

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Curry took a pain-killing injection before the game for the first time in his career, though he looked slow early and even covered his head in a towel on the bench late in the first quarter.

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