backmen后卫
backn.后面;背脊;靠背;后背;后卫vt.支持;后退adv.向后地adj.向后的;后面的;偏远的;过时的;积欠的
back well method excavation反井法开挖
back-and-knee technique用背和膝盖作支点的攀登法
BACK POCKET WIDTH AT BOTTOM后袋宽下边量
Back step shot with jump.后撤步跳投。
back saw with wooden handle木柄手锯
back pressure steam turbine背压式汽轮机
Back in the saddle again.回归原位。
backscattering coefficients后向散射系数
Back-projection algorithm后向投影算法
Back up file sequence error备份文件顺序错误