穿墙套管 [建] wall bushing ; wall feed-through sleeve ; Wall Tube Insulator ; wall-through bushing
母线式穿墙套管 bus bar wall bushing
复合干式穿墙套管 FCGW ; FCRGW
高压穿墙套管 High wall bushing
户内穿墙套管 indoor wall bushing
高压户内穿墙套管 high tension indoor wall entrance bushing sleeve
穿墙瓷套管 porcelain wall bushing
高压穿墙瓷套管 High-voltage ceramic wall bushings
户内圆导杆穿墙瓷套管 CB
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