presents an attached device of multiple-function biological experiment used in the experiment of biological electronic pulse, analyses its principles of electric circuit and procedures of its make-up.
介绍了生物实验多用仪用于动物电脉沖刺激实验时的一种附加装置,分析了它的电路原理及制作使用方法。
air-removed filter series is the attached device of the flow meter, which can remover the air and solid impurity so as to ensure the flow metre accuracy and operation life.