Terms for subject Explosives and Explosive Ordnance Disposal containing extension

English	Chinese
Blasting involves both the creation of new fractures and the extension of existing cracks and joints to loosen and liberate "in-situ" blocks within the rock mass structure	爆破既产生了新的裂缝、又延展了固有的裂隙和节理、这样可松动并取出岩体结构中的“原位”岩块
crack extension force	应变能释放率又称裂缝扩展力。裂缝递增扩展所需每单位面积的弹性表面能：G=2rs=r/F式中,G #为应变能释放率,J/m², r s 为比表面能， J/m² ；σ 为应力,Pa；L 为裂缝长度,m； Ee 为有效弹性模量,Pa
extension of blast-hole cracks	炮孔裂缝延长
extension piece	加长件
final wall failure due to crack extension	裂缝延伸导致的保护区受损
radial extension	径向拉伸
The extension of the small stream to the deep of the forest is a tortuous course	小溪延伸到森林深处是一个曲流拐弯的过程