並前往https://books.google.com.tw/books?id=BQ8EAAAAMBAJ&pg=PA18&lpg=PA18&dq=PCS+PTT&source=bl&ots=RcXTLXXcHk&sig=ACfU3U26-gLQMY2J0fn-WoybAcg5-crlBA&hl=zh-TW&sa=X&ved=2ahUKEwj_16a6hfmAAxX3bPUHHTuUB5IQ6AF6BQiYARAD