At the junction of a branch line and the trunk line, the wires must be spliced together.

在支线和中继线的接合点，电线必须被叠接起来。

youdao

At the junction of a branch line and the trunk line, the wires must be spliced together.

在支线和中继线的接合点，电线必须被叠接起来。

youdao