The fresh posterior crico-arytenoid muscle of human larynx is taken in the research to find the morphological features of motorend-plates.
取新鲜人喉标本，对环杓后肌进行纵切片，应用银浸法研究其运动神经终末的形态特点。
2
The first motor for driving the platen roller and the second motor for driving the rotary blade are disposed between two side plates provided one on each end of the main frame.