The destructive reasons and countermeasures of bolting and shotcreting roadway are discussed.论述了锚喷巷道的破坏原因并提出了对策.This work is important for the electronic countermeasures technique.最后指出,这一工作对电子对抗技术具有重要的实际意义.Some counterme...

By adopting equiscalar loading to determine the large pollution sources, and proposed the harness countermeasures.在此基础上,结合支流底质及非点污染源的实况, 提出了相应的防治对策.Countermeasures: join waxes cocatalyst so that the ink stick are shorter...