The inner string cementer has been applied over 10 times, and good social and economical benefits have been obtained.

通过10余井次的现场应用，取得了良好的社会效益和经济效益。

youdao

The inner string cementer has been applied over 10 times, and good social and economical benefits have been obtained.

通过10余井次的现场应用，取得了良好的社会效益和经济效益。

youdao