This article analyzes the selection forms of protection earthed system of low Pressure switch of civil buildings, and studied construction request of guard Wire (PE) earthed system.
分析民用建筑低压配电保护接地系统的选用型式，浅论了系统的保护线(PE)接地装置施工要求。
It was just hanging there next to the main wire harness guard bracket.
这只是挂有旁边的后卫主要线束支架。
High stone walls topped with snaky concertina wire, set off at intervals by looming guard towers.
顶部装着蛇腹式铁丝网的高高的石墙，被渐渐隐现的哨塔隔开。
No perforation and dissection due to the advancement of the guard-wire or catheter, severe pulmonary thrombosis, infection of the incision or peri-operative death.
无导丝引致的穿孔、夹层，无严重肺梗死，无切口感染及术中术后死亡。
No perforation and dissection due to the advancement of the guard-wire or catheter, severe pulmonary thrombosis, infection of the incision or peri-operative death.
无导丝引致的穿孔、夹层，无严重肺梗死，无切口感染及术中术后死亡。
应用推荐