单词	rain and snow,
释义	英華字典資料庫同義詞☞schnee
随便看	ventilation losses ventilation mast ventilation mechanical ventilation method ventilation monitoring board ventilation noise ventilation--perflation ventilation-perfusion lung scanning ventilation perfusion ratio ventilation-perfusion ratio ventilation perfusion ratio {=vp ratio} ventilation pipe ventilation piping ventilation plan ventilation planning ventilation plate ventilation pressure ventilation rate ventilation regulator ventilation requirement ventilation resistance ventilations ventilation session ventilation shaft ventilation shield