#DBMlaying
#DBM
#civildesign
#civilconstruction
#delhimumbaiexpressway
#bharatmalapariyojana
Негізгі бет Dense Bituminous Macadam(DBM)|| Its Laying and Design Specification ||
#DBMlaying
#DBM
#civildesign
#civilconstruction
#delhimumbaiexpressway
#bharatmalapariyojana
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