进尺

jìnchǐ

进尺 — jìnchǐ

  1. footage drilled; advance in drilling (mining/construction term for distance bored or excavated)

    这口井每天的进尺约为十米。 zhè kǒu jǐng měitiān de jìnchǐ yuē wèi shímǐ — This well drills about ten meters of footage per day.