Once we have that [bulk composition?
一旦我们有[大部分组成?。
Systematic changes seen as marked gradients in petroleum bulk composition, component concentrations and molecular indicators have been observed in biodegraded oil columns.
在生物降解油柱中观测到了石油总体组成、饱和烃和芳烃系列化合物随深度呈连续而系统的梯度变化。
Glass fibres differ from bulk glass of the same composition in two major respects.
玻璃纤维在两个主要方面不同于相同成分的块状玻璃。
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