国内市场

They sell mainly to the home market.

他们主要向国销售。

Finally, this paper states the epurate principle , the focalpoint and the marketing of photocatalyst.

就光触媒净化机理,技术要点以及光触媒产品在国上现状等问题进行了阐述。

The mechanism of the conventional medical endoscope in our country is introduced here, and its safe and effective performance is discussed in regard to requirements in premarketing evaluation.

介国上常见医用窥镜机理,结合目前准入要求对这一类产品安全性和有效性技术指标进行了探讨。