“backing space”的概念、定义、翻译、参考文献-科学参考

单词	backing space
释义	backing space [`bak·iŋ ´spās] ^ENGINEERING Space between a fore pump and a diffusion pump in a leak-testing system.
随便看	optimization theory optimize optimized code optimizer optimizing control function optimum allocation optimum array current optimum bunching optimum charge optimum code optimum coupling optimum cure optimum filter optimum flight optimum moisture content optimum programming optimum reverberation time optimum separation point optimum-track ship routing optimum traffic frequency optimum working frequency optional halt instruction optional product optional stop instruction option switch

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