BM微生物制剂是一种高效、新型、无毒、无害、无二次污染的复合型微生物制剂。它不仅可以消除恶臭，还可抑制苍蝇的滋生。实际应用效果可达到相关标准要求。

BM microorganism composite is a sort of high efficiency, innocuity and no pollution microorganism composite. It can remove the effluvium and flies, and comply with the standards in practice.

youdao

但净扭矩曲线存在负值，建议增加曲柄二次平衡，设计成复合平衡型抽油机。

But net torque curve of crankshaft exists negative . The compound balance beam pumping units is put forward.

youdao

但净扭矩曲线存在负值，建议增加曲柄二次平衡，设计成复合平衡型抽油机。

But net torque curve of crankshaft exists negative . The compound balance beam pumping units is put forward.

youdao