three-D migration in two steps的意思|示意

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三维迁移分为两步


three-D migration in two steps的网络常见释义

二步法三维偏移 一步法三维偏移 three-D migration in one step 二步法三维偏移 three-D migration in two steps 带切线直管段的三倍直径弯头 three-diameter ells with tangents ..