three-D migration in two steps的意思|示意
美 / /
英 / /
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 ..