expansionaryadj.扩张性的expansionn.膨胀；扩展；扩充Expansion-compressor连体膨胀压缩机expansion compensation膨胀补偿Expansion Rate of Tube胀管率expansion liner length膨胀衬管长度expansion relief valve膨胀安全阀expansion rate of foam发泡倍数expansion of territory[法] 领土扩张expansion installation伸缩装置expansion joint filler伸缩缝填料expansionist ambitions扩张野心