single stage twin element ejector 单级双联喷射器 single velocity stage 单速级 single-cylinder two stage air compressor 单气缸双级空气压缩机 ..
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单级减速齿轮 [机] single reduction gear
单级减速器 single reduction gear
单级减速 single reduction
单级主减速器 single reduction final drive ; Single step gears
单级减速齿轮涡轮机 single reduction geared turbine
单级减速齿轮箱 single reduction gear unit ; Single-reduction gear box
单级减速齿轮装置 single reduction gear unit
单级变速离心泵 variable-speed single-stage centrifugal pump
单列速度级叶轮 single-row wheel
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