The former used microcatheter to "embed" the tumor vessel, the later used "siphonal" technique.
比较两组疗效、副作用并作应用价值分析。
；
；虹吸作用（等于siphonic）The former used microcatheter to "embed" the tumor vessel, the later used "siphonal" technique.
比较两组疗效、副作用并作应用价值分析。
The existing problem in operation of siphonal sand filter and innovation were introduced.
介绍了虹吸式砂滤器在运
过程中出现问题及改造措施。
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