simultaneity

MB leads little changes of hemodynamics due to inhibit cardiac sympathicotonia and pneumogastric nerve simultaneity, but TEB brings the evident changes due to only inhibit pneumogastric nerve.

纵隔阻滞与硬膜外阻滞相比，硬膜外阻滞抑制交感神经，引起明显血流变化，而纵隔阻滞抑制心交感和心迷走神经，不引起明显血流变化。

Simultaneity doubt coating effectively solve the twice coating procreant crape effect lowlihead,products baddish lowlihead problem etc.

双面涂布有效地解决了双面胶二次涂布所产生地品质问题。