24 m steel ridge  24m钢梁

45cm ridge after narrow row solid-seeding  45cm平播密植后起垄

Abnormality of the ridge line  季内脊线位置异常

accretion ridge  增积砂岭; 外展滩脊

accretionary ridge  堆积脊; 外展滩脊; 增积砂岭

active ridge  活动海岭

aeration ridge  掺气挑坎

aged ridge  多年的冰丘脉

agro-foresty and contour ridge tillage technique  粮经果复合垄作

ahead of High-altitude ridge  高空脊前

algal ridge  藻礁岩脊; 藻岭; 藻脊

alluvial ridge  冲积脊

Alpha Ridge  阿尔法海脊; 阿尔法海岭

alveolar ridge  下颌骨; 牙槽脊; 牙槽棱线; 牙床脊; 牙槽嵴; 齿槽骨嵴; 牙床

alveolar ridge absorption  牙槽骨吸收

alveolar ridge atrophy  牙槽嵴萎缩

alveolar ridge augment  牙槽嵴增高术; 直接油气征示

Alveolar ridge augmentation  牙槽嵴增高术; 齿槽脊增高术; 牙槽嵴扩大

alveolar ridge morphology  牙槽嵴形态学

alveolar ridge preservation  齿槽嵴保存术; 牙槽嵴保存; 牙槽窝保存; 射线摄影