开关掣
例句与用法
- Wiring at switch connected up with incorrect polarity
开关掣的极性接驳错误。 - Main switch exposed metal parts not earthed
总开关掣的外露金属部分并无接地。 - Main switch with inadequate short circuit breaking capacity
总开关掣的短路断流容量不足。 - Copper link not installed in neutral circuit at main switch
总开关掣的中性电路无安装铜连杆。 - Main switch live parts not properly enclosed or insulated
总开关掣带电部分无适当密封或绝缘。 - Cutout fuse boxswitch not provided with phase identification
断流熔断器箱开关掣并无相位标志。 - 13a socket outlets , switched and unswitched ; 13a connection units
连开关掣及不连开关掣13安培插座; - Main cable undersized when compared to main switch rating
与总开关掣的额定值比较,主电缆的尺寸过小。 - 4 . with anti - write protection switch
4 .附防写入保护开关掣 - Switches for household and similar fixed electrical installations
家庭用及相类固定电力装置的开关掣;
用"开关掣"造句