coin test中文什么意思

硬币试验

• coin:    n. 1.硬币；〔俚语〕金钱。 2. ...
• test:    n. 【动物；动物学】(软体类的)介 ...
• test coin:    试验币

百科释义

A coin test (or a bell metal resonance) is a medical diagnostic test used to test for a punctured lung. A punctured lung can cause air or fluid to leak into the pleural cavity, leading to, for example, pneumothorax or hydrothorax.