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ground connection
auto. 搭铁; 通地
compr. 接地装置
el.mach. 接地连接
hydroel.st. 接地; 接地线
met. 接地线
oil 大地联测
tech. 磨口接头; 接地 (连接); 接地线连接; 埋设地线工程
ground connection
: 15 phrases in 7 subjects
Air defense1
Automobiles2
Aviation5
Electronics1
Oil / petroleum1
Space1
Technology4