油田注水系统是油田地面工程的五大系统之一。
Water injection system is one of the five systems in oilfield.
人工地面运动时程是工程抗震研究的重要工具。
Artificially generated ground motion history is an important tool for earthquake engineering research.
绕月探测工程地面应用系统负责人说。
The head of ground utility system of China moon probe program said.
绕月探测工程地面应用系统负责人说。
The head of ground utility system of China moon probe program said.
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