“asphaltum”造句，怎麼用asphaltum造句

Main mines in Albania include petroleum, asphaltum, chrome, copper, nickel, iron, coal and so on.

Summarize performances and characteristics of different formulations of three kinds of lubricant-solvate asphaltum, semiliquid and high. Viscidity oil which are being developed at present.

Summarize performances and characteristics of different formulations of three kinds of lubricant-solvate asphaltum, semiliquid and high.

This paper introduces construction technique and method of asphaltum concrete surface in a construction section of Reruan road in Songbei district of Harbin city.