PTO
abbr. 见下页（please turn over）；（美）专利和商标局（Patent and Trademark Office）；动力起飞（Power Take Off）
例句
Clean, check and repair PTO and gear box every year.
每年应对取力器、变速箱进行一次较全面的清洗、检查、维修。
PTO switch should be placed in separation before driving.
行驶前应将取力器开关置于分离位置。
The PTO has decided that the act of isolating and sequencing a strand of DNA is the result of human intervention.
商标局已经决定了该行为的孤立和测序一个DNA链是由于人类的干预。
