基本解释[材料科学]胎面花纹深度英汉例句双语例句Because of long mileage, every tire wears away and the tread pattern depth becomes very shallow.因为跑了很长的里程数，每个轮胎都磨损了而且胎纹深度都变的很浅了。专业释义材料科学胎面花纹深度