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穿墙套管 chuānqiáng tàoguǎn
el. wall-through bushing
hydroel.st. wall bushing
isol. wall roof bushing
nucl.pow. penetration sleeve
tech. through-wall sleeve; wall feed-through sleeve; wall sleeve; wall tube insulator
穿墙套管
: 7 phrases in 3 subjects
Electronics2
Isolation1
Technology4