Both the negative pressure drainage vessel and the drop stitch are easier to cause infection.
负压引流管和缝线都容易引起感染。
May also serve as the seal negative pressure drainage the negative pressure source.
亦可用作封闭负压引流的负压源。
Positive and negative pressure existed in the upper and lower drainage pipes.
排水立管的上部和下部都存在正压和负压。
Positive and negative pressure existed in the upper and lower drainage pipes.
排水立管的上部和下部都存在正压和负压。
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