From today, we would first give the two most common model for civil aircraft. If...

代码说明：

今天先给大家上传两个最常见的民航飞机模型。如果大家喜欢，我将继续上传其他飞机模型。-From today, we would first give the two most common model for civil aircraft. If you like, I will continue to upload other aircraft models.