並前往https://books.google.com.tw/books?id=FeO9BwAAQBAJ&pg=PA287&lpg=PA287&dq=AE51+PTT&source=bl&ots=1naSYWyeeb&sig=ACfU3U3NPjabFPDcEwRmrCQByYY-1W_Zqw&hl=zh-TW&sa=X&ved=2ahUKEwin_OKWu6b_AhVomIsKHQ6AD-IQ6AF6BAhHEAM