... 缓冲垫 节流环 [gap=1118]Key words：desulphurization circulating pump; mechanical seal; bumper; reduce expenditure ring ...
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流通环节 distribution link ; market and circulation ; Circulation ; Circulates the link
高频脉冲直流环节 High frequency pulse DC link
开式循环节流制冷器 open cycle throttling refrigerator
节流循环 circulating with choke
直流环节 DC link
商品流通环节 commodity circulation links
谐振直流环节逆变器 Resonant DC Link Inverter ; SRDCLI
准谐振直流环节 QRDCL
并联谐振直流环节 Parallel Resonance DC link
最后，产品通过零售环节流通到消费者手中，产品通常在这一环节中再还原为单个产品。
Finally, the flow of products through the retail chain to consumers, the product is usually further back in the chain for individual products.
阀杆及其沟槽环和定位套筒显示阀门的节流位置。
The valve stem with its grooved rings and positioning sleeve indicates the throttled position of the valve.
阀瓣底部由阀体阀座环引导，最大限度提高阀瓣在节流应用中的稳定性。
The bottom of the disc is guided by the body seat ring for maximum disc stability in throttling applications.
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