英语词汇downflow fixed bed怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	downflow fixed bed
释义	downflow fixed bed 简明释义下流固定床网络释义短语 1 downflow fixed-bed bioreactor 下流式固定床反应器双语例句 1 Methods Porous ceramics were used as immobilization carrier. Optimum conditions for nitrate-nitrogen removal of downflow fixed-bed bioreactor were studied. 方法采用多孔陶粒作反硝化细菌固定化载体，研究下流式固定床生物反应器的适宜脱氮条件；
随便看	complementary symmetrical amplifier complementary symmetrical circuit complementary symmetry complementary symmetry amplifier complementary symmetry circuit complementary symmetry circuit complementary symmetry emitter follower complementary symmetry metal oxide semiconductor complementary tax complementary theory complementary therapies complementary therapy complementary tissue complementary tracking complementary tractor complementary trade complementary trade policy complementary transaction complementary transcript complementary transcription complementary transistor complementary transistor circuit complementary transistor gate complementary transistor logic complementary transistor logic circuit

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