“Brittle fracture”和“Ductile Fracture”的含义分别是()
open fracture
Which is the most serious type of fracture?()
A compound fracture is a fracture in which().
Fracture damage to the end links of the anchor cable,or to the jews’ harp may be eliminated by().
closed fracture
从“Brittle fracture”的特征,以下哪一种说法是错误的()
从“Ductile Fracture”的特征,以下哪一种说法是正确的()
断口(fracture)