2026-03-20 20:25 浏览次数 21
套管外表面
In the casing surface spray treatment, stainless steel box cover.
机壳表面喷塑处理,不锈钢箱盖。
Analysis on residual strength after casing surface wear caused in casing drilling
套管鉆井用套管外表面磨损后剩余强度分析