The effects of different feeds on amino acid contents of fresh, dry earthworm and excrement were obvio...
不同饵料对鲜蚓、干蚓和蚓粪中氨基酸的含量有一定影响。
It can be concluded that the flow field in the high-speed centrifugal pump with a complex impeller is very complicated, and there exists an obvio...
该计算为进一步提高高速复合叶轮离心泵的性能、减少水力损失提供了一定的理论依据。
It can be concluded that the flow field in the high-speed centrifugal pump with a complex impeller is very complicated, and there exists an obvio...
该计算为进一步提高高速复合叶轮离心泵的性能、减少水力损失提供了一定的理论依据。
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