常見例句雙語例句Cross section drawings of Media Circulating Pump (P-02603) and Backwash Pump (P-02604) shall be provided.應(yīng)該提供傳動裝置循環(huán)泵（P – 02603）和回流泵（動力- 02604）剖面圖紙。blog.sina.com.cnThis 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.本實用新型的優(yōu)點是能在一臺污水 泵上實現(xiàn)切割和反沖洗的雙重功效，提高污水泵的適用范圍。ip.com 返回 backwash pump