A-60 fire door A-60级防火门
a-hundred-year return period 百年一遇
abrasive (喷砂用的)磨料
abrasive paper 砂纸
AC generator 交流发电机
AC motor 交流电动机
AC welding machine 交流焊机
accelerated corrosion testing 加速腐蚀试验
acceptance criteria 合格准则
access hole (for welding) = cope hole (焊接)工艺孔
accommodation and power platform (APP) 生活动力平台
according to = in accordance with =
in line with = as per = in the light of 按照
acetylene gas 乙炔
acid electrode 酸性焊条
acid proof cement 防酸水泥
additive 添加剂
adhesive agent 粘接剂
adhere to 遵守(动词)
adherence to 遵守(名词)
adjacent columns 相邻立柱