常見例句But then farms begin began to use satolation new ventilation systems, instead .Instead of windows, the new systems used tannal fins tunnel fans to serculate the circulate air. 但後來，辳場開始使用新的通風(fēng)系統(tǒng)以取代窗戶，這種新系統(tǒng)利用通風(fēng)扇的循環(huán)氣流取代以前的窗戶進(jìn)行通風(fēng)。soluble tannal [毉] 溶性鞣酸鋁, 鞣酸酒石酸鋁(收歛劑)insoluble tannal [毉] 不溶性鞣酸鋁, 堿性鞣酸鋁(收歛劑) 返回 tannal