Cross section drawings of Media Circulating Pump (P-02603) and BackwashPump (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。
2
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.