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| bulk power system | 大容量电力系统 | |
| bulk tariff | 趸售电费率 | |
| bulk transmission | 主干输电系统 | |
| bulk type semiconductor strain gauge | 体型半导体应变计 | |
| bulk zinc oxide varistor | 体型氧化锌电压敏电阻器 | |
| bullet | 弹,子弹 | |
| bullet train | 高速铁路,新干线 | |
| bullet transformer | 一种超高频转换装置 | |
| bullet-proof glass | 防弹玻璃 | |
| bulletin board | 公告牌 | |
| bump | 连续冲击 | |
| bump test | 连续冲击试验,颠簸试验 | |
| bump testing machine | 连续冲击台 | |
| buncher frequency | 聚束频率,聚束频率 | |
| bundle conductor | 成束导线,分裂导线 | |
| bundle configuration | 分裂形式 | |
| bundle transfer function | 光纤束传递函数 | |
| bundle vibration | 管束的振动 | |
| bundle wire carrier communication | 分裂导线通信 | |
| buoy | 浮标 | |
| buoy array | 浮标阵 | |
| buoy float | 浮标体 | |
| buoy motion package | 浮标运动监测装置 | |
| buoy station | 浮标站 | |
| buoyancy | 浮力 | |
| buoyancy correction | 浮力修正 | |
| buoyancy level measuring device | 浮力液位测量装置 | |
| burden of a instrument transformer | 仪用互感器的负载 | |
| burglar alarm | 防窃报警器 | |
| buried cable | 直埋电缆 | |
| buried wire | 埋地电线 | |
| burn out | 烧断 | |
| burn out life | 烧损寿命 | |
| burn out rate | 烧损率 | |
| burner | 燃烧咀 | |
| burning | 燃烧 | |
| burning method | 燃烧法 | |
| burning off | 烧坏 | |
| burst acoustic emission signal | 突发传输 | |
| burst frequency | 色同步脉冲频率 | |
| burst generator | 色同步脉冲发生器,短脉冲串发生器,短时脉冲群发生器,瞬时脉冲群发生器 | |
| burst signal generator | 猝发信号发生器 | |
| bus | 总线,母线 | |
| bus arrangement | 母线布置 | |
| bus bars | 母线 | |
| bus compartment | 汇流隔离间 | |
| bus duct | 母线沟,汇流管道,母线导管 | |
| bus ground | 母线接地 | |
| bus hub | 总线插座 | |
| bus impedance matrix | 母线阻抗矩阵,节点阻抗矩阵 | |
| bus insulator | 母线绝缘子 | |
| bus interface circuit | 总线接口电路 | |
| bus interface module | 总线接口模件 | |
| bus isolating switch | 母线隔离开关 | |
| bus isolator | 母线隔离开关 | |
| bus line | 总线 | |
| bus master | 总线主设备 | |
| bus mother board | 总线母板 | |
| bus network | 总线网 | |
| bus protection | 母线保护装置 | |
| bus protective relay | 母线保护继电器 | |
| bus reactor | 母线电抗器 | |
| bus regulator | 母线电压调节器 | |
| bus section | 母线分段 | |
| bus section breaker | 母线分段断路器 | |
| bus sectionalizing reactor | 母线分隔电抗器 | |
| bus seperation | 母线分离 | |
| bus slave | 总线从设备 | |
| bus support | 母线绝缘支撑 | |
| bus terminal fault | 母线终端故障 | |
| bus tie cabinet | 母线联络柜 | |
| bus topology | 总线拓扑 | |
| bus type current transformer | 母线式电流互感器 | |
| bus-bar Bus-bar | 母线 | |
| bus-bar expansion joint | 母线伸缩节 | |
| bus-bar fitting | 硬母线固定金具 | |
| bus-bar separator | 母线间隔垫 | |
| bus-bar support | 母线金具 | |
| bus-tie cell | 母线联络间隔 | |
| bus-tie circuit breaker | 母线联络断路器 | |
| bus-tie reactor | 母线联络电抗器 | |
| bus-tie reactor protection | 母线联络电抗器保护装置 | |
| bus-tie switch | 母线联络间隔 | |
| busbar | 母线,汇流条,结点,节点,汇流排 | |
| busbar bridge | 母线电桥 | |
| busbar chamber | 母线箱,母线室 | |
| busbar channel | 母线通道,槽形母线 | |
| busbar clamp | 母线夹 | |
| busbar corridor | 母线检查廊道 | |
| busbar coupler | 母线联接装置 | |
| busbar cross-section | 母线截面 | |
| busbar current transformer | 母线电流互感器 | |
| busbar disconnecting switch | 母线隔离开关 | |
| busbar duct | 母线导管,母线沟 | |
| busbar fault | 母线故障 | |
| busbar flashover | 母线飞狐,母线闪络 | |
| busbar frame | 母线架 | |
| busbar grounding | 母线接地装置 | |
| busbar group | 母线组 | |
| busbar insulator | 母线绝缘子 |
