1 ผลลัพธ์ สำหรับ *forepole*
หรือค้นหา: forepole, -forepole-

Collaborative International Dictionary (GCIDE)
forepole

a. (Mining) One of the thick laths or poles driven horizontally ahead on top of a set of the main timbering in advancing a level in loose ground.
Syn. -- spile{ 4 }; spill{ 2d }. [ RDH ]


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