常見例句雙語例句Effect of type and ration of pulp and microstructure of sheet on the absorption and volumetric weight of compound sheet of collagen and cellulose fibers were studied.從纖維的種類和配比，對膠原纖維和植物纖維複郃抄片緊度和吸水性的關(guān)系進(jìn)行了研究。Taking Zhaoxiayu section, Mangshan, Zhengzhou as an example, this paper has studied the volumetric weight of loess palaeosol sequences and its relation with susceptibility as well as its grain size .本文以鄭州邙山趙下峪剖麪爲(wèi)例，研究了黃土-古土壤序列的容重及其與磁化率、粒度的關(guān)系。Swelled perlite is produced from calcined perlite. It has characteristics of little volumetric weight and large porosity.膨脹珍珠巖是以珍珠巖爲(wèi)原料煆燒膨脹制成的，具有容重小、 空隙率大等特點(diǎn)。 返回 volumetric weight