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在汽车金属胶管听诊器的基础上,我们改用电话耳机听诊器。它的特点是可听弱音,分辨率高,又可检测电器通断情况(电气线路)。
Based on the automotive metal hose stethoscope, we switched to a telephone headset stethoscope. It is characterized by audible weakness, high resolution, but also detect electrical continuity (electrical circuit).