From Hales method, reversed refracted wave method shows accuracy and efficiency in detecting the thickness of remained coal seam.
以哈尔·斯法为例，将相遇折射波法用于剩余煤厚探测中，具有精确、高效、快速的特点。
From Hales method, reversed refracted wave method shows accuracy and efficiency in detecting the thickness of remained coal seam.
以哈尔·斯法为例，将相遇折射波法用于剩余煤厚探测中，具有精确、高效、快速的特点。
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