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单词
catalyst downcomer
释义
catalyst downcomer
美
英
un.
催化剂下导管
英汉
un.
1.
催化剂下导管
例句
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positive role
positive rolling moment
positive root
positive rotary pump
positive rotation
positive-rule estimator
positive-rule variant
positive
Positive Salvage
positive salvage value
positive sanction
positive scanning agent
positive science
positive scotoma
positive scram
positive scribing
positive seal
positive sealing system
positive section
positive segregation
positive selection
positive self-feeling
positive self-regard
positive self regulation
positive semidefinite
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更新时间:2026/7/13 17:13:28