AA-60 f i re do or A-60 级防火门(A-60 ji f a ng huo m e n)a—h un d r e d-y e ar ret u r n p e ri od 百年一遇abras i ve (喷砂用得)磨料 abrasi v e pap e r 砂纸A C g en e r ato r 沟通发电机AC motor 沟通电动机acce l era ted corro s ion testing 加速腐蚀试验a c ce pt anc e c r i t eria 合格准则 a c ce s s h ole (f o r w eldi n g) =cop e ho le 焊接工艺孔a cm od ation a n d p o w er p l atform (APP) 生活动力平台a c cor d i ng to =i n a c c o r da nce wi t h =i n l i ne with =a s per =i n the lig ht of 根据acet y len e gas 乙炔acid e l e ct r ode 酸性焊条acid p r o of cement 防酸水泥 add i t i ve 添加剂adher e t o 遵守(动词)adherenc e t o 遵守(名词)a d j acent co lum ns 相临立柱adv e rse bin a tion o f loads 荷载得不利组合a dverse con d i t ion 不利条件a er onautical rad i o system 航空无线电系统A F C (ap p ro v ed for c on st ruction) 建造批准a for e ment i oned 上述得aft wi nch 船艉绞车agitato r 搅拌器air blowe r 鼓风机a i r p r ess o r 空压机air d riv e p ump 气动泵 a ir hoister 气动绞车a i r m a nif o l d 气包a ir t ig ht test 气密性试验 a ir-hose 风带aircraf t ob s tr uc ti o n b e acon 航空障碍灯alarm buzz e r 报警蜂鸣器 a l a r m horn 报警喇叭 alip h ati c polyurethane 脂肪族聚氨酯漆a llowable (w orkin g) st res s 许用应力A l umi nu m all o y an o de 铝合金阳极Al u minum ingo t 铝锭a l uminum p a in t 银粉漆a l u minu m s h ee t 铝皮 am b ie nt a ir te m perat u r e 环境气温ambient tem p e r atur e 环境温度 ancho r block 地锚块a n ch...