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Subject: Shales and clays can be drilled with gauge hole and lack of hole penetration. dril. Помогите перевести, пожалуйста.Shales and clays can be drilled with gauge hole and lack of hole penetration. |
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Subject: Shales and clays can be drilled with gauge hole and lack of hole penetration. dril. Помогите перевести, пожалуйста.Shales and clays can be drilled with gauge hole and lack of hole penetration. |
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