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| sweep generator | 扫描发生器 | |
| sweep marker generator | 扫描标志发生器 | |
| sweep motor | 扫描电动机,扫描用电动机 | |
| sweep signal generator | 扫描信号发生器,扫频仪 | |
| sweep voltage | 扫描电压 | |
| sweep-frequency attenuation measurement technique | 扫频衰减测试技术 | |
| sweep-frequency audiometer | 扫描频率听力计 | |
| sweep-frequency generator | 扫描频率发生器 | |
| sweep-frequency heterodynetype analyser | 扫描频率外差式分析器 | |
| sweep-frequency modulation | 扫描频率调制 | |
| sweep-frequency radar responder beacon | 扫描频率雷达应答器 | |
| sweep-frequency receiver | 扫频接收机 | |
| sweep-frequency reflectometer | 扫频反射计 | |
| sweep-frequency technique | 扫频技术 | |
| swelling | 膨胀 | |
| swept frequency | 摇频,扫掠频率 | |
| swept frequency interferometer | 扫频干涉仪 | |
| swept frequency oscillator | 扫频振荡器 | |
| swept frequency picture modulation | 扫频信号图像调制 | |
| swept signal generator | 扫频信号发生器 | |
| swing | 摆动,动荡,摆度 | |
| swing capacity | 冲击性瞬时负荷 | |
| swing check valve | 摆动式止回阀 | |
| swing curve | 摆动曲线,振荡曲线 | |
| swing door | 弹簧门,转门 | |
| swing node | 无穷大电源节点(潮流计算) | |
| swing test | 摆动试验 | |
| swing valve | 止回阀,回转阀 | |
| swing-hammer crusher | 锤击式破碎机 | |
| swinging | 摆动 | |
| swinging angle | 摆动角 | |
| swinging load | 负荷摆动 | |
| swinging mounting | 摆动支架 | |
| swinging radius | 旋转半径 | |
| swinging table | 回转台 | |
| swirl | 漩涡 | |
| swirl angle | 涡流角 | |
| swirl atomizer | 旋流式雾化器 | |
| swirl diffuser | 旋流风口 | |
| swirl vane | 旋流叶片 | |
| swirling combustion chamber | 涡流燃烧室 | |
| swirling flow | 旋流 | |
| switch | 开关,转换开关,换接,电键,转接,换向器,切换 | |
| switch adjustment | 开关 | |
| switch bail | 开关把手 | |
| switch bank | 转换触排 | |
| switch bar | 开关柄 | |
| switch base plate | 开关板 | |
| switch blade | 开关闸刀 | |
| switch board | 开关柜 | |
| switch board room | 开关间,配电间 | |
| switch box | 开关配电箱,开关箱 | |
| switch cabinet | 开关柜 | |
| switch capacitance box | 旋钥式电容箱 | |
| switch cell | 开关间 | |
| switch clock | 开关钟 | |
| switch combination | 开关组合 | |
| switch contact | 开关触点 | |
| switch control circuit | 转接控制电路 | |
| switch control relay | 转接控制继电器 | |
| switch cover | 开关盖 | |
| switch cover plate | 开关盖板 | |
| switch desk | 开关台 | |
| switch for control supply | 控制电源开关 | |
| switch frame | 开关架 | |
| switch gear | 开关柜 | |
| switch handle | 开关把手 | |
| switch hook | 挂钩开关 | |
| switch house | 开关间 | |
| switch identifier | 开关识别器 | |
| switch in | 接入 | |
| switch inductance box | 转动式电感箱 | |
| switch lamp holder | 开关灯头 | |
| switch lamp socket | 开关灯头 | |
| switch lighting | 开关照明 | |
| switch martrix | 开关矩阵 | |
| switch motion | 开关动作,切换动作 | |
| switch motor | 转辙电动机 | |
| switch off | 断开,切断,切除,开闸,断路 | |
| switch off the power supply | 电源切除 | |
| switch oil | 开关油 | |
| switch on | 接通,合闸,接入 | |
| switch out | 断开,切除 | |
| switch over | 转换,切换,转接 | |
| switch resistance box | 旋钥式电阻箱 | |
| switch room | 机键室 | |
| switch starter | 起动开关 | |
| switch tank | 开关箱 | |
| switch type | 开关型号 | |
| switch-disconnector | 隔离开关 | |
| switch-fuse | 开关溶丝 | |
| switchback | (山区的)之字形路线 | |
| switchboard | 交换机,配电盘 | |
| switchboard attendant | 配电盘值班员 | |
| switchboard cable | 局用电缆 | |
| switchboard cell | 配电盘间隔 | |
| switchboard fittings | 配电盘配件 | |
| switchboard frame | 配电盘构架 | |
| switchboard framework | 配电盘框架 | |
| switchboard fuse | 配电盘熔断器 |
