1)fired-to,有自由面的爆破2)blasting free surface,爆破自由面3)blasting under single freedom face,单自由面爆破4)shooting on-the-free,多自由面爆破5)loose water,有自由液面的水6)free expansion explosion,自由膨胀爆破
用法例句
By means of a constrained expansion and a free expansion explosion tests, the deformation and crack characteristics and the formation rules of fragments of the cylinder walls made of five kinds of materials under the condition of explosive loading were investigated.
