小环；轮缘；圆箍线
annulet
环颗石 Annulithus
环空通道 annulus access
环空测流立管 annulus access flow test riser
环空连通管 annulus access line
环空出油管 annulus flow line
环空流前 annulus flow profile
环空液体 annulus fluid
环空管 annulus line
环空测试 annulus logging
环空封隔装置 annulus pack off
环形剖面 annulus profile
环颗石 Annulithus
环空通道 annulus access
环空测流立管 annulus access flow test riser
环空连通管 annulus access line
环空出油管 annulus flow line
环空流前 annulus flow profile
环空液体 annulus fluid
环空管 annulus line
环空测试 annulus logging
环空封隔装置 annulus pack off
环形剖面 annulus profile
环形刮蜡器 annulus scraper
环空试压 annulus test
环空满眼注水泥 annulus topup cementation
环形空间卸压 annulus unloading
环形阀 annulus valve
环空注水 annulus water injection
环空翼阀 annulus wing valve
环空油管转换接头 annulustubing crossover
年 annum
信号器；报警器 annunciator
板极电池 anode battery
阳极地床 anode bed
阳极罩 anode cap
阳极电容 anode capacitance
阳极涂层 anode coating
阳极电源整流器 anode converter
阳极腐蚀效率 anode corrosion efficiency
阳极输出器 anode follower
牺牲阳极保护 anode loss protection
阳极极化 anode polarization
残阳极 anode scrap
阳极栅 anode sleds
阳极残渣 anode slime
阳极条 anode strap
阳极酸洗 anodic acid pickling
阳极钝化剂 anodic inhibitor
阳极钝化 anodic passivation
深成变质的 anogene
阳极电解液 anolyte
反常点 anomalistic point
