查询词典 cigarette paper

The present paper research is for the purpose of through to our country leaf tobacco circulation history, the present situation and the reform carries on the analysis, the utilization circulation theory, absorbs the domestic and foreign scholars earnestly about the leaf tobacco, the cigarette, the grain and the cotton circulation research results, and profits from the US, Brazil, Zimbabwe and so on overseas main leaf tobacco circulation pattern experience.

本论文研究旨在通过对我国烟叶流通的历史、现状及改革进行分析，运用流通理论，认真吸收国内外学者关于烟叶、卷烟、粮食和棉花流通的研究成果，并借鉴美国、巴西、津巴布韦等国外主要烟叶流通模式的经验。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。