常見例句雙語例句The influence of cross wind on the air flow field in a natural draft dry cooling tower is studied experimentally on the basis of similarity rules.本文通過模型實驗手段研究了橫向風對自然通風干式冷卻塔空氣流場的影響問題。It was concluded that the suitable ratios of sweet potato in the diets for rowing and finishing pigs were 42% and 56%-74% (air dry basis), respectively.綜合生產(chǎn)性能和經(jīng)濟效益指標，生長肥育期日糧鮮紅苕適宜用量分別為42％和56-74％（風干基礎(chǔ)）。 返回 air dry basis