单词	secondary circulation
释义	secondary circulation 二级环流,次级环流
随便看	principle of explosion principle of explosion proof principle of extension strategy generation principle of extreme convergence principle of fading memory principle of fairness principle of fair play Principle of fault principle of fault responsibility principle of fault self-recovery principle of files exclusivity Principle of final common path principle of fire-fighting principle of firmness principle of first-in first-served PRINCIPLE OF FIRST TO USE principle of fixation of liability Principle of Flag State Jurisdiction principle of flexibility principle of flight principle of flip flow principle of flotation principle of flow Principle of Food Packaging principle of forbidding risk