为了降低三缸单作用钻井泵的压力和排量波动，通常在排出管线上安装有空气包。
In order to reduce the fluctuation of pressure and discharge capacity of the triplex drilling pump, the air accumulator is often fixed on the discharge pipe.
泵结构简单，效率高，有确定的排量且无波动，具备较为理想运行特性。
The structure of pump is simple; the efficiency is high, with certain exhaust quantity and with no motion, having the movement character which is more ideal.
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