... 抽气泵,吸气泵 air-extractor 喷射抽水泵 ejector water pump 抽气泵,吸气泵,抽气机 air evacuator ...
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ejector water air pump 喷水式抽气泵
water ejector pump 喷水抽气泵
ejector water pump
喷射水泵
以上为机器翻译结果，长、整句建议使用 人工翻译 。
A sampling project for the water quality automatic monitoring system was introduced in this paper, self-absorption-ejector pump was used in the system instead of centrifugal pump.
介绍一个以自吸喷射泵为取样泵的水质自动监测系统取样工程建设方案及其日常维护措施。
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