“oil-gas pipeline maintenance”的概念、定义、翻译、参考文献-科学参考

单词	oil-gas pipeline maintenance
释义	oil-gas pipeline maintenance Encyclopedia 工学油气管道维修释 oil-gas pipeline maintenance油气管道维修保持和恢复油气运输管道及其设备正常运行的主要措施。
随便看	semigroup of holomorphic mappings semigroup of idempotents semigroup of isometries semigroup of kernels semigroup of left zeros semigroup of linear operators semigroup of nonlinear operators semigroup of operators semigroup of polynomial growth semigroup of quotients semigroup of right zeros semigroup of shifts semigroup of transformations semigroupoid semigroup property semigroup quasi-regular on the left semigroup quasi-regular on the right semigroup ring semigroup stationary on the left semigroup stationary on the right semigroup theoretic semigroup theoretical semigroup-valued semigroup-valued integral semigroup-valued measure

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