professional and technical man的用法和樣例：
例句
- Enterprises have a rich experience of professional and technical staff, we would like to letters, heartfelt Suozhi, epigraphy to open.
企業擁有一支經驗豐富的專業技術人員隊伍，我們想信，精誠所至，金石為開。 - We possess our own sciential property rights, with many experienced, professional and skilled staffs, and workers of high quality.
公司擁有自主知識產權的專項技術，擁有經驗豐富的專業技術人員及高素質的生產工人。
