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mation value || 近似值
approximation-type algorithm || 近似型算法
appurtenances || 附件，辅助工具
aquadag || ①石墨沉淀，碳末润滑剂，胶态石墨(悬浮体)②石墨悬胶，导电敷层
aquaplaning || 滑水效应制
aqueduct || ①导水管，输水管②高架渠③渡槽④桥管
aqueous homogeneous reactor || 水均匀反应堆
aqueous quenchant || 水溶性淬火油
aqueous reprocessing || 水法(核材料)后处理，湿法后处理
aqueous soluble oil || 水溶油(冷却切削刀具用)
aqueous solution || 水溶液
aqueous solution electrolysis || 水溶液电解
aqueous solution electrolytic cell || 水溶液电解槽
aqueous vapour || 水汽
arabian oil || 阿拉伯石油
arbitrarily equilibrium || 随遇平衡
arbitrarily projection || 任意投影
arbitrarily shaped waveguide || 任意形状波导
arbitrary constant || 任意常数
arbitrary ensemble of nuclei || 原子核任意系综
arbitrary model || 任意模型
arbitrary point || 任意点
arbor || ①(机)轴，主轴，心轴②辊轴，心骨，轴
arbor distance || 心轴距
arborescent crystal || 树状晶体
arborescent powder || 树枝状粉末
arborescent structure || 枝晶组织，树枝状组织
arbour || 心轴
arc || ①(圆)弧，弧拱，弓形②电弧，圆弧
arc activation || 电弧激活
arc blow out || 熄弧
arc booster || 超弧器(焊接)
arc brazing || 电弧钎焊
arc breakdown || 电弧击穿
arc burner || 烧穿器，电焊枪
arc cathode || 电弧阴极
arc chamber || 电弧室，弧箱
arc characteristic || 电弧特性
arc chute || 电弧隔板，熄弧沟，灭弧室
arc circuit || 电弧电路
arc column || 电弧柱
arc communication system || 电弧通信系统
arc contact || 电弧接点
arc converter || 电弧振荡器(高频)，电弧换流器
arc cosine || 反余弦
arc cotangent || 反余切
arc cracking || 电弧裂化法
arc current || 电弧电流
arc cutting || 电弧切割法
arc discharge || 电弧放电，弧光放电
arc drilling || 电弧钻进
arc drop || 电弧压降
arc drop loss || 弧降损耗(充气管)
arc duration || 电弧持续时间
arc electrode || 电弧极
arc energy || 电弧能
arc erosion || 电弧腐蚀，电弧侵蚀
arc extinction || 灭弧作用
arc flame || 弧焰
arc force || 电弧力
arc furnace || 电弧炉
arc furnace steelmaking || 电弧炉炼钢
arc gap || 弧隙
arc generator || 电弧震荡器，弧光发生器
arc lamp || 弧光灯
arc length || 弧长，闪络长度
arc light projector || 弧光投影器
arc light sources || 弧光灯
arc lighting || 弧光灯
arc line || 弧线
arc loss || 电弧损耗
arc melting || 电弧熔炼
arc modulation || 电弧调制
arc of approach || 啮入弧
arc of digraph || 有向图的弧
arc of recess || 啮出弧
arc over || 闪络，飞弧，电弧放电
arc plasma || 电弧等离子区
arc plasma jet spraying coating || 电弧等离子体射流喷涂涂层
arc potential || 电弧电位，电弧电压
arc process || 电弧炉炼钢
arc production furnace || 电弧熔炼炉
arc protection || 闪络保护
arc regulator || 电弧调节器
arc resistance || 耐电弧性，弧道电阻
arc resistance furnace || 弧阻炉，电弧电阻炉
arc resistance plastics || 耐电弧塑料
arc resisting property || 耐电弧性
arc restriking || 耐电再闪击
arc ring || 电弧环
arc searchlight || 弧光探照灯
arc self-regulation || 电弧自身调节
arc shield || 电弧罩
arc
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