一次成功率 meaning in English

first time silicon success

The results obtained show that the success rate from both controlling lost circulation and initial operation is 100 percents
在塔里木油田进行了4口井的现场试验，井漏控制成功率为100 % ，堵漏一次成功率为100 % 。
To strengthen the connection with the customers , improving the successful rate to prevent doing the phenomenon over again . to control the cost of purchase , on the premise ensuring the quality of the products , to purchase the materials parity
防止不计成本搞生产保质量加强与客户的联系，提高一次成功率，防止出现返工现象控制采购成本，在保证质量的前提下，实行比价采购。