眼镜板、切割环等磨损件，经过不断的技术攻关，使用寿命长，最佳泵送状态时，其寿命可达3万方。
The wearing parts, such as the anti-wearing plate and the cutting ring , have a long service life up to 30000 m3 under favorable condition .
冷却剂泵是用来切割程序的机床是归入潜型(F型)和自我启动型(a型)。
Coolant Pump that is used for cutting procedure of machine tool is classified to submersible type (F-Type) and self priming type (A-Type).
研究表明，流量、扬程、轴功率和效率切割指数具体数值都与普通清水离心泵不同。
The results show that the values of the flow rate, head, shaft power and efficiency trim exponents differ from existing trim exponents for normal centrifugal water pumps.
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