@Article{201055, title = {声波在钻柱中的传播特性}, author = {赵国山,管志川,刘永旺}, journal = {中国石油大学学报(自然科学版)}, volume = {}, number = {1}, pages = {55}, numpages = {5.0000}, year = {2010}, month = {}, doi = {}, publisher = {《中国石油大学学报(自然科学版)》编辑部} }