single channel impeller pump
单路磁头 single channel head 单路叶轮泵 single channel impeller pump 每载波单信道脉码调制按需分配多址设备 single channel per carrier PCM multiple access demand-assignment equipment ..
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single-channel impeller pump
single-channel impeller pump 单路叶轮泵 two-channel impeller pump 双流道泵 ..
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