If any of return sludge pumps is in off mode, it will be regarded as standby unit. If fault is found on duty pump, the standby pump will be automatically change over.

没有启动的污泥回流泵作为备用泵，如主泵发生故障，备用泵自动切入。

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It is ideal for high or low level alarm and pump control duty in Marine tanks in the most arduous and demanding of environments.

此开关是海运过程中多数危险环境中，低高级报警和泵控制功能理想的选择。

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Heavy duty precision cast 304 stainless steel pump block exports and to ensure the perfect combination of electric pumps.

重负荷精密铸304不锈钢出口及泵座，保证水泵电机完美的组合。

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When it came to the competitiveness of the oil market, she added the Office of Fair Trading was undertaking a review of pump prices in Scotland but a cut in duty this August seemed out of the question.

BBC: Campaign for lower fuel prices moves up a gear

There were pump and spritz sprays on the tables in the poodle grooming area, but none of the heavy-duty aerosol hairspray cans that are a no-no.

WSJ: Primping pooches: Do's and don'ts at Westminster