短語(yǔ)詞組短語(yǔ)thermal -shrinkage differential 熱收縮差異differential shrinkage 不均勻收縮;折射差數(shù);異收縮differential shrinkage rate 異收縮率differential shrinkage filament 異收縮絲high power differential shrinkage 高能異收縮 返回 shrinkage differential