“underground pipeline”的概念、定义、翻译、参考文献-科学参考

单词	underground pipeline
释义	underground pipeline Encyclopedia 工学管道结构释 underground pipeline地下管道敷设在天然或人工回填地面以下或周围覆盖有一定厚度土体的管道。
随便看	group of monomial substitutions group of motions group of norms group of operators group of outer automorphism group of outer permutations group of parameters group of paths group of periods group of permutations group of points group of projective transformations group of quaternions group of quotients group of regular polyhedrons group of representatives group of right quotients group of rings group of rotations group of semilinear substitutions group of similarity transformations group of spheres group of stability group of stars group of substitutions

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