Study on Drawing Method of Contour Line for Junction Construction of Three-Centered Arch Roadway
ZHANG Gang
Keywords:three-centred archjunctioncontour lineline drawing methoddrawing accuracy
Publication Date:2014-01-01
Online Publishing Date:2025-08-15(First online date of this platform, not the publication date of the document)
Pages:3( 40-42 )
Coal Engineering

Coal Engineering

PKUISTIC
ISSN:1671-0959
Year, Vol.(Issue):2014,46(9)