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在进行测试作业的油气井生产一段时间后,通过地面或井下控制,实现测试器第二次关闭的过程。
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singular exponent
singular extension
singular extremal
singular factor
singular fiber
singular focus
singular form
singular function
singular functor
singular fundamental solution of elastodynamics
singular generalized function
singular graph
singular group
singular harmonic function
singular Hermitian metric
singular holomorphic foliation
singular homology
singular homology class
singular homology functor
singular homology group
singular homology sequence
singular homology theory
singular ideal
singular index
singular initial number
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