Cross section drawings of Media Circulating Pump (P-02603) and Backwash Pump (P-02604) shall be provided.
应该提供传动装置循环泵(p—02603)和回流泵(动力- 02604)剖面图纸。
This utility model has the advantage of achieving the dual effects of excision and backwash on one sewage pump, thereby widening sphere of application of the sewage pump.
本实用新型的优点是能在一台污水泵上实现切割和反冲洗的双重功效，提高污水泵的适用范围。
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