一团粘聚的尘埃颗粒,就像宇宙中许多类似的星云。
A cloud of agglutinate dust particles, similar to so many similar clusters in the universe.
研究表明,适当掺加再生骨料不仅可以提高混凝土的强度,而且还可提高混凝土的粘聚性、保水性及保温性能。
Results showed that, adding proper recycled aggregates can not only enhance compressive strength of concrete but also advance its viscidity, water-keeping ability and heat preservation ability.
由于空气中氧的阻聚效应,而经常引起室温固化不饱和聚酯树脂表面发粘。
The cure-inhibition effect of the atmospheric oxygen usually causes the surface stick of the cold-cured unsaturated polyester resin.
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