並前往https://books.google.com.tw/books?id=o8S6EAAAQBAJ&pg=PT576&lpg=PT576&dq=recessed%E4%B8%AD%E6%96%87&source=bl&ots=eUS1nb4Zmh&sig=ACfU3U3IQfXs0FdOl29BfXCR-wtYvV3Inw&hl=zh-TW&sa=X&ved=2ahUKEwjA067giPSAAxWKbmwGHRAkDz8Q6AF6BQjxARAD