词汇	duration of passage
释义	duration of passage 腾空时间
随便看	Ratio of profit to capital ratio of profit to cost ratio of profit to net sales ratio of profit to stockholders'equity or to ratio of property and price ratio of P to N ratio of pulmonary to systemic resistance ratio of punching-span ratio of P-uptake ratio of putting coke into furnace ratio of putting into operation ratio of quick assets to current liabilities ratio of quick asset to current liability ratio of radionuelides ratio of radius to thickness ratio of ranges ratio of raw feed rate ratio of raw materials ratio of reasonable water surface ratio of receivable to inventories ratio of reducing wind velocity ratio of reduction ratio of refraciton ratio of refraction ratio of reinforcement