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1·Compounded rubber, unvulcanized, in primary forms or in plates, sheets or strip.

未硫化的复合橡胶，初级形状或板、片、带。

2·The synthesis and properties of elastic unsaturated polyester were investigated and the use of the elastomer compounded with nitrile butadiene rubber was discussed.

本文研究了弹性体不饱和聚酯的合成，并对有关性能和丁腈橡胶的并用进行了讨论。

3·The plastic cement hose is compounded of plastic and rubber, the middle fibers .

由塑料橡胶合成，中间纤维加强。