单词	掩荫
释义	掩荫 yǎn yīn遮蓋，廕庇。
随便看	fracture toughnes fracture toughness Fracture toughness JIC fracture toughness KIC fracturetoughness parameter Fracture Toughness Parameter fracture toughness property fracture toughness specimen fracture surface fracture surface analysis Fracturesurface design fracture surface energy fracture surface examination fracture surface fractal dimension fracture-surface fractal dimension fracture surface image fracture surfaces fracture toughness test fracture toughness testing fracture toughness value Fracture touglmess fracture trace Fracture traction fracture traction apparatus fracture transcrystalline