“upstream”的概念、定义、翻译、参考文献-科学参考

单词	upstream
释义	upstream [`ǝp¦strēm] ^{CHEMICAL ENGINEERING} That portion of a process stream that has not yet entered the system or unit under consideration; for example, upstream to a refinery or to a distillation column. ^HYDROLOGY Toward the source of a stream.
随便看	trapezoidal excavator trapezoidal generator trapezoidal integration trapezoidal pulse trapezoidal rule trapezoidal wave trap mine trapped-air process trapped fuel trapped plasma avalanche transit time diode trapped radiation trappide trapping prick punch priest prill primaquine primary primary air primary alcohol primary amine primary arc primary area primary atypical pneumonia primary basalt

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