Terms for subject Explosives and Explosive Ordnance Disposal containing Spring

English	Chinese
explode fireworks and firecrackers during the spring festival	春节期间燃放烟花爆竹
hole spring	掏壶
hole spring	扩底孔
plastic locking spring	塑性闭锁弹簧内装羽屑的塑性柱塞，用以闭锁上向炮孔中的装药
spring-back	药壶爆破在炮孔底部先少量装药爆破成壶状〈扩壶〉，再装药爆破的方法。参见 pocket