ENSOEl Niño/South Oscillation 厄尼诺洋流/南摆动ensn.有；实体ensuring model保障型ensuring house保障性住房ensonificationn.声透射ensialic basin硅铝壳盆地ensless copying直接复印法ensuring growth保增长Ensheasing cell嗅鞘细胞ensile strength拉伸强度ensuring system保障体系ensilage blower青饲料吹送器