等电位联结也可不与人工或自然接地体连接的,成为不接地的等电位联结。
Equipotential connection may not connect with the manual or natural earthing to become earth-free equipotential connection.
等电位联结也可不与人工或自然接地体连接的,成为不接地的等电位联结。
Equipotential connection may not connect with the manual or natural earthing to become earth-free equipotential connection.
应用推荐