並前往https://books.google.com.tw/books?id=Qi8EAAAAMBAJ&pg=PA22&lpg=PA22&dq=PCS+PTT&source=bl&ots=qu3ROBQX-G&sig=ACfU3U26HSLJ-JHv3ratBAcFRLsfRvNFPw&hl=zh-TW&sa=X&ved=2ahUKEwj_16a6hfmAAxX3bPUHHTuUB5IQ6AF6BQicARAD