The choke ACTS as controlling the production and lowering the back pressure in the electric submersible pump. Because of the high speed of liquid the life of the choke is short.
油嘴在电泵井的生产中起控制产量和降低回压的作用，但是在日常生产中，油嘴孔很容易被高速液体刺大，因而使用寿命短。
Products : generator, high pressure washer, gasoline water pump, and generator & electric welding equipment.
产品： 发电机，电动高压清洗机，汽油水泵，电焊发电两用机。
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