钻爆法
drill and blast method
bored blast method
drilling and blast method
drill-blasting method
drilling exploision method
drill+blast method
drilling and blasting method
drill-and-blast method
Drilling and blasting
应急用空气管路接合器
emergency air line coupling
应力场时空变化
Temporal-spatial stress field variation
英国空军部方法
British Air Ministry method
英国压缩空气学会
british compressed air society
永磁机构真空断路器
Vacuum Circuit Breaker with Permanent Magnetic Actuator
用数字表示的空气动力学模拟
NAS Numerical Aerodynamic Simulation