基本解释

• [能源科学技术]双向卡瓦

英汉例句

双语例句

• It has characteristics of hydraulic setting, bi-directional slip anchoring, and fishing property of matching releasing tool, so it's an ideal tool for water shutoff and separate zone production.
  它具有液压坐封、双向卡瓦锚定、配套丢手打捞工具打捞等基本特点，是油田卡堵水、分层采油的理想配套工具。

专业释义

能源科学技术

• 双向卡瓦