| 释义 | 
             
                underground protective earthing
                
            覆土fù tǔ 
 earthing地铁dì tiě 
 underground; metro; the tube乘地铁chéng dì tiě 
 take the subway; by tube; take an underground暗河àn hé 
 underground river地下dì xià 
 subterranean, underground坫diàn 
 earthen table; protective screen垸yuàn 
 protective embankment; polder land地道dì dào 
 cuniculus, subway, underground秘密活动mì mì huó dòng 
 underground接地jiē dì 
 ground connection; earth connection; landing; grounding; earthing保护的bǎo hù de 
 lee, protective, tutelar给予保护的gěi yǔ bǎo hù de 
 protective护身符hù shēn fú 
 amulet; protective talisman继电保护jì diàn bǎo hù 
 relaying; protective relaying圩子xū zǐ 
 protective embankments surrounding low-lying fields地下的dì xià de 
 underground, belowground, hypogeal, subterranean坑道kēng dào 
 underground tunnel; gallery; adit; mine坑内斜坡道kēng nèi xié pō dào 
 underground ramp隧suì 
 tunnel; underground pass; road; suburbs; turn藩fān 
 fence; protective screen; vassal state; dependent state圩垸xū yuàn 
 protective embankments in lakeside areas; polder地下铁道dì xià tiě dào 
 Metro, subway, underground railroad埋地灯mái dì dēng 
 underground lamp; ground buried light短路保护电器duǎn lù bǎo hù diàn qì 
 SCPD(short-circuit protective device)伏流fú liú 
 underground river; disappearance of river; subterranean stream
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