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Is this your first time to visit QHD?
这是您第一次来秦吗？
youdao
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A quite good effect of waterflood development has been made in QHD 32-6 oilfield.
秦皇岛32 - 6油田实施注水后取得了很好的开发效果。
youdao
-
A quite good effect of waterflood development has been made in QHD 32-6 oilfield.
秦皇岛32 - 6油田实施注水后取得了很好的开发效果。
youdao