英语词汇preproduction costs是什么意思，preproduction costs的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	preproduction costs
释义	preproduction costs　生产前成本
随便看	venous cannula venous capillaries venous claudication venous congestion venous edema venous embolism venous gangrene venous heart treatment venous hemorrhage venous hemostasis venous hum venous hyperemia venous inflow venous insufficiency venous mesocardium venous network venous pressure venous pulse venous return venous return venous sclerosis venous sinus venous sinus venous stasis venous thrombosis

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