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In venous side, the speed of blood transfusion was controlled by a pump device.
静脉端采用推注泵控制输血速度；
youdao
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The catheter is a double-cavity central venous catheter.
所述的导管为双腔中心静脉导管。
youdao
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The catheter is a double-cavity central venous catheter.
所述的导管为双腔中心静脉导管。
youdao