The paper has some reference to the marketing condition of the oil and natural gas pipeline construction and the quality requirement of the pipe mate...
该文对国内油气管道建设的市场和管材的质量要求有一定的参考作用。
The paper has some reference to the marketing condition of the oil and natural gas pipeline construction and the quality requirement of the pipe mate...
该文对国内油气管道建设的市场和管材的质量要求有一定的参考作用。
应用推荐