但由于受当时制度、文化、经济和科学水平的限制，食品卫生工作还处于很幼稚的阶段。
Due to the restriction of politics, economy, culture amd science, the work of food hygiene was in its young stage.
但由于受当时制度、文化、经济和科学水平的限制，食品卫生工作还处于很幼稚的阶段。
Due to the restriction of politics, economy, culture amd science, the work of food hygiene was in its young stage.
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