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差动热电偶
释义
差动热电偶
differential thermocouple
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present value of ordinary annuity
present value rate
present value standard
present value table
present worth
present worth analysis
present worth basis for comparison
present worth comparison
present worth comparison method
present worth factor
present worth method
present worth of salvage
present yield
preservation
preservation of cultural relics
preservation of ecology
preservation of fertility
preservation of game
preservation of organs for grafting
preservation of physical evidence
preservation of soil moisture
preservation of the natural environment
preservative
preservative agent
preservative engine oil
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