Much has changed in Bulgaria since the fall of the Iron Curtain, but corruption and organized crime persist, according to a July 2007 cable from the U. S. Embassy in Sofia.
据驻索菲亚的美国使馆于2007年7月的一封电报说：自从铁幕的到来保加利亚就发生了很大的变化，但是贪污和犯罪集团还在坚持着。
Remark One or two singal-core cable not allowed laying in iron pipe.
一根或二根单芯电缆不允许敷设在铁质管道中。
The zero sequence current transformer is full enclosed type. The secondary windings and iron core are insulated by epoxy resin. The middle hole is used for cable going through.
本型零序电流互感器为全封闭式。二次绕组及铁芯均浇注在聚脂树脂内。中间窗孔供三相电缆穿过。
The technology for tightness improvement of the Ni austenitic cast iron cable head is studied.
分析了提高镍奥氏体铸铁电缆插头铸件致密性的工艺方案。
The technology for tightness improvement of the Ni austenitic cast iron cable head is studied.
分析了提高镍奥氏体铸铁电缆插头铸件致密性的工艺方案。
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