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pillar thickness
meaning in Chinese
矿柱厚度
Examples
Confirming least rock
pillar thickness
in cross - cut coal uncovering
石门揭煤最小预留岩柱厚度的确定
Related Words
pillar method
pillar stiffener
coral pillar
pillar operation
bringback pillar
built pillar
hollow pillar
sun pillar
granite pillar
draw pillars
pillar tap
pillar terminal
pillar thinning
pillar travertine
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