Many factors influencing dehydrogenation efficiency of VD are analyzed. The production of the steel grade demanding on hydrogen content is basically met after adopting corresponding measurements.
分析了影响VD脱氢效率的众多因素，采取相应的措施后，基本上满足了对氢含量有要求的钢种的生产。
As we know, inclining drilling, the depth of drilling and rock hardness is three factors influencing drilling production efficiency and cost.
钻孔偏斜、孔深、岩石硬度被公认为是影响钻探生产效率与成本的三大要素。
Basing on site survey, this paper estimates the efficiency and influencing factors of under-forestry fungi production.
基于实地调查研究，对林下食用菌的生产效率进行测度，并分析影响林下食用菌生产效率的因素。
Basing on site survey, this paper estimates the efficiency and influencing factors of under-forestry fungi production.
基于实地调查研究，对林下食用菌的生产效率进行测度，并分析影响林下食用菌生产效率的因素。
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