| 单词 | maltha |
| 例句 | By extension, any one of the natural hydrocarbons, including the hard, solid, brittle varieties called asphalt, the semisolid maltha and mineral tars, the oily petroleums, and even the light, volatile naphthas. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z These materials are obtained from crude petroleum or semi-solid native bitumens, in which case they are usually called malthas. American Rural Highways Among different bituminous substances, the names naphtha and petroleum have been given to those which are fluid; maltha, to that which has the consistence of pitch; and asphaltum, to that which is solid. A Treatise on Domestic Economy For the Use of Young Ladies at Home and at School The flow of gas was so heavy that it clogged his drills with maltha and sand, and from then to now the gas has been escaping. The New North Thus they form a heterogeneous assemblage of liquid hydrocarbons, of which naphtha and maltha may be said to form the extremes, and which have little in common, except their undefinable name. Scientific American Supplement, No. 362, December 9, 1882 Among different bituminous substances, the names naphtha and petrolium have been given to those which are fluid, maltha, to that which has the consistence of pitch, and asphaltum to that which is solid. American Woman's Home |
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