?接近速[率] approached speed
?认可 approval
?认可厂家 approved maker
?认可式样 approved pattern
?合格式样,认可式样 approved pattern
?认可图 approved plan
?近似计算 approximate calculation
?近似公式 approximate formula
?近似法 approximate method
?近似法则 approximate rule
?氨水 aqua ammonia
?英国航空注册部 ARB (Air Registration Board, U.K.)
?认可 approval
?认可厂家 approved maker
?认可式样 approved pattern
?合格式样,认可式样 approved pattern
?认可图 approved plan
?近似计算 approximate calculation
?近似公式 approximate formula
?近似法 approximate method
?近似法则 approximate rule
?氨水 aqua ammonia
?英国航空注册部 ARB (Air Registration Board, U.K.)
?仲裁 arbitration
?仲裁人 arbitrator
?电弧硬焊 arc brazing
?电弧切断 arc cutting
?电弧产生端(电焊条) arc end of electrode
?弧光灯 arc lamp
?弧长 arc length
?耐电弧材料 arc resistant material
?电弧软焊 arc soldering
?电弧稳定剂 arc stabilizer
?电弧电压 arc voltage
?电焊机 arc welder
?电[弧]焊[接] arc welding
?拱形架 arch framing
?艉拱形肘板 arch knee
?拱形结构原理 arch principle
?面积,区域 area
?美国铁道工程协会 AREA (American Railway Engineering Association, U.S.A.)
?面积系数 area coefficient
?区域监视器 area monitor
?翼板面积 area of foil
?舯剖面积 area of midship section
?平艉面积 area of transom
?水线面积 area of water plane
?浸水面积 area of wetted surface
?面积比 area ratio
?空气吸入扇 areation fan
?氩[气电]弧焊 argon arc welding
?美国空调冷冻学会 ARI (Air-Conditioning and Refrigeration Institute, U.S.A.)
?臂,横杆,幅 arm
