• Saltwater mud is known to have a very strong corroding effect on drill string.

    人们知道盐水泥浆具有很强腐蚀作用

    youdao

  • Saltwater mud is known to have a very strong corroding effect on drill string.

    人们知道盐水泥浆具有很强腐蚀作用

    youdao

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