per foot-of-hole drilled的意思|示意
美 / /
英 / /
每钻孔英尺
per foot-of-hole drilled的网络常见释义
每英尺钻孔 ... cost per well drilled 平均一口井的钻井成本; 钻一口井的成本 per foot-of-hole drilled 每英尺钻孔 per shift 每班 ...