“down mattres”的概念、定义、翻译、参考文献-科学参考

单词	down mattres
释义	down mattres Encyclopedia 工学床垫释 down mattres羽绒床垫填充物成分为100%羽绒羽毛，且绒子含量大于等于50%的床垫。
随便看	projection identification method for the characteristic model projection image projection instrument projectionist projection iteration projection iterative method projection map projection mapping projection matrix projection measurement projection method projection moiré projection morphism projection neuron projection objective projection of a circular cone projection of a curve projection of a fiber bundle projection of a fiber space projection of a figure projection of a knot projection of a link projection of a measure projection of a point projection of a process

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